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Finding the Fourth Proportional to 82,767,129.30, 124,150,693.96 and 82,767,129.30

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Solution

The fourth proportional to 82,767,129.30, 124,150,693.96 and 82,767,129.30 is: 124,150,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,767,129.30 : 124,150,693.96 = 82,767,129.30 : x
  2. Step 2: Convert to fraction form
    82,767,129.30/124,150,693.96 = 82,767,129.30/x
  3. Step 3: Cross multiply
    82,767,129.30x = 124,150,693.96 × 82,767,129.30
  4. Step 4: Simplify right side
    82,767,129.30x = 10,275,596,539,672,048
  5. Step 5: Solve for x
    x = 10,275,596,539,672,048/82,767,129.30
  6. Step 6: Final answer
    x = 124,150,693.96

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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.