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Finding the Fourth Proportional to 59,448,538.40, 83,127,176.80 and 59,448,538.40

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Solution

The fourth proportional to 59,448,538.40, 83,127,176.80 and 59,448,538.40 is: 83,127,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,448,538.40 : 83,127,176.80 = 59,448,538.40 : x
  2. Step 2: Convert to fraction form
    59,448,538.40/83,127,176.80 = 59,448,538.40/x
  3. Step 3: Cross multiply
    59,448,538.40x = 83,127,176.80 × 59,448,538.40
  4. Step 4: Simplify right side
    59,448,538.40x = 4,941,789,162,078,389
  5. Step 5: Solve for x
    x = 4,941,789,162,078,389/59,448,538.40
  6. Step 6: Final answer
    x = 83,127,176.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.