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Finding the Fourth Proportional to 117,877,066.80, 176,815,600.20 and 60,481,438.80

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Solution

The fourth proportional to 117,877,066.80, 176,815,600.20 and 60,481,438.80 is: 90,722,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877,066.80 : 176,815,600.20 = 60,481,438.80 : x
  2. Step 2: Convert to fraction form
    117,877,066.80/176,815,600.20 = 60,481,438.80/x
  3. Step 3: Cross multiply
    117,877,066.80x = 176,815,600.20 × 60,481,438.80
  4. Step 4: Simplify right side
    117,877,066.80x = 10,694,061,902,381,566
  5. Step 5: Solve for x
    x = 10,694,061,902,381,566/117,877,066.80
  6. Step 6: Final answer
    x = 90,722,158.20

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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.