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Finding the Fourth Proportional to 117,877,082.80, 176,815,624.20 and 60,481,454.80

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Solution

The fourth proportional to 117,877,082.80, 176,815,624.20 and 60,481,454.80 is: 90,722,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877,082.80 : 176,815,624.20 = 60,481,454.80 : x
  2. Step 2: Convert to fraction form
    117,877,082.80/176,815,624.20 = 60,481,454.80/x
  3. Step 3: Cross multiply
    117,877,082.80x = 176,815,624.20 × 60,481,454.80
  4. Step 4: Simplify right side
    117,877,082.80x = 10,694,066,182,986,084
  5. Step 5: Solve for x
    x = 10,694,066,182,986,084/117,877,082.80
  6. Step 6: Final answer
    x = 90,722,182.20

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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.