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Finding the Fourth Proportional to 156,945,375.90, 235,418,063.85 and 156,945,375.90

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Solution

The fourth proportional to 156,945,375.90, 235,418,063.85 and 156,945,375.90 is: 235,418,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945,375.90 : 235,418,063.85 = 156,945,375.90 : x
  2. Step 2: Convert to fraction form
    156,945,375.90/235,418,063.85 = 156,945,375.90/x
  3. Step 3: Cross multiply
    156,945,375.90x = 235,418,063.85 × 156,945,375.90
  4. Step 4: Simplify right side
    156,945,375.90x = 36,947,776,524,588,448
  5. Step 5: Solve for x
    x = 36,947,776,524,588,448/156,945,375.90
  6. Step 6: Final answer
    x = 235,418,063.85

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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.