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Finding the Fourth Proportional to 144,868,790.88, 217,324,790.88 and 47,834,748

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Solution

The fourth proportional to 144,868,790.88, 217,324,790.88 and 47,834,748 is: 71,759,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,868,790.88 : 217,324,790.88 = 47,834,748 : x
  2. Step 2: Convert to fraction form
    144,868,790.88/217,324,790.88 = 47,834,748/x
  3. Step 3: Cross multiply
    144,868,790.88x = 217,324,790.88 × 47,834,748
  4. Step 4: Simplify right side
    144,868,790.88x = 10,395,676,605,897,498
  5. Step 5: Solve for x
    x = 10,395,676,605,897,498/144,868,790.88
  6. Step 6: Final answer
    x = 71,759,255.69

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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.