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Finding the Fourth Proportional to 57,462,210.30, 86,193,315.45 and 57,462,210.30

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Solution

The fourth proportional to 57,462,210.30, 86,193,315.45 and 57,462,210.30 is: 86,193,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,462,210.30 : 86,193,315.45 = 57,462,210.30 : x
  2. Step 2: Convert to fraction form
    57,462,210.30/86,193,315.45 = 57,462,210.30/x
  3. Step 3: Cross multiply
    57,462,210.30x = 86,193,315.45 × 57,462,210.30
  4. Step 4: Simplify right side
    57,462,210.30x = 4,952,858,418,842,139
  5. Step 5: Solve for x
    x = 4,952,858,418,842,139/57,462,210.30
  6. Step 6: Final answer
    x = 86,193,315.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.