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Finding the Fourth Proportional to 39,440,159.90, 59,048,265.45 and 39,440,159.90

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Solution

The fourth proportional to 39,440,159.90, 59,048,265.45 and 39,440,159.90 is: 59,048,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440,159.90 : 59,048,265.45 = 39,440,159.90 : x
  2. Step 2: Convert to fraction form
    39,440,159.90/59,048,265.45 = 39,440,159.90/x
  3. Step 3: Cross multiply
    39,440,159.90x = 59,048,265.45 × 39,440,159.90
  4. Step 4: Simplify right side
    39,440,159.90x = 2,328,873,031,165,645.50
  5. Step 5: Solve for x
    x = 2,328,873,031,165,645.50/39,440,159.90
  6. Step 6: Final answer
    x = 59,048,265.45

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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.