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Finding the Fourth Proportional to 34,137,909.70, 51,206,864.55 and 34,137,909.70

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Solution

The fourth proportional to 34,137,909.70, 51,206,864.55 and 34,137,909.70 is: 51,206,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,137,909.70 : 51,206,864.55 = 34,137,909.70 : x
  2. Step 2: Convert to fraction form
    34,137,909.70/51,206,864.55 = 34,137,909.70/x
  3. Step 3: Cross multiply
    34,137,909.70x = 51,206,864.55 × 34,137,909.70
  4. Step 4: Simplify right side
    34,137,909.70x = 1,748,095,318,028,031.25
  5. Step 5: Solve for x
    x = 1,748,095,318,028,031.25/34,137,909.70
  6. Step 6: Final answer
    x = 51,206,864.55

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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.