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Finding the Fourth Proportional to 359,866,834.97, 539,800,252.46 and 87,237,601.97

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Solution

The fourth proportional to 359,866,834.97, 539,800,252.46 and 87,237,601.97 is: 130,856,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,866,834.97 : 539,800,252.46 = 87,237,601.97 : x
  2. Step 2: Convert to fraction form
    359,866,834.97/539,800,252.46 = 87,237,601.97/x
  3. Step 3: Cross multiply
    359,866,834.97x = 539,800,252.46 × 87,237,601.97
  4. Step 4: Simplify right side
    359,866,834.97x = 47,090,879,568,978,584
  5. Step 5: Solve for x
    x = 47,090,879,568,978,584/359,866,834.97
  6. Step 6: Final answer
    x = 130,856,402.96

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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.