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Finding the Fourth Proportional to 117,910,232.20, 176,865,348.30 and 117,910,232.20

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Solution

The fourth proportional to 117,910,232.20, 176,865,348.30 and 117,910,232.20 is: 176,865,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,910,232.20 : 176,865,348.30 = 117,910,232.20 : x
  2. Step 2: Convert to fraction form
    117,910,232.20/176,865,348.30 = 117,910,232.20/x
  3. Step 3: Cross multiply
    117,910,232.20x = 176,865,348.30 × 117,910,232.20
  4. Step 4: Simplify right side
    117,910,232.20x = 20,854,234,286,186,876
  5. Step 5: Solve for x
    x = 20,854,234,286,186,876/117,910,232.20
  6. Step 6: Final answer
    x = 176,865,348.30

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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.