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Finding the Fourth Proportional to 62,640,147.80, 93,960,221.70 and 62,640,147.80

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Solution

The fourth proportional to 62,640,147.80, 93,960,221.70 and 62,640,147.80 is: 93,960,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640,147.80 : 93,960,221.70 = 62,640,147.80 : x
  2. Step 2: Convert to fraction form
    62,640,147.80/93,960,221.70 = 62,640,147.80/x
  3. Step 3: Cross multiply
    62,640,147.80x = 93,960,221.70 × 62,640,147.80
  4. Step 4: Simplify right side
    62,640,147.80x = 5,885,682,174,608,767
  5. Step 5: Solve for x
    x = 5,885,682,174,608,767/62,640,147.80
  6. Step 6: Final answer
    x = 93,960,221.70

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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.