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Finding the Fourth Proportional to 117,877,018.80, 176,815,528.20 and 60,481,390.80

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Solution

The fourth proportional to 117,877,018.80, 176,815,528.20 and 60,481,390.80 is: 90,722,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877,018.80 : 176,815,528.20 = 60,481,390.80 : x
  2. Step 2: Convert to fraction form
    117,877,018.80/176,815,528.20 = 60,481,390.80/x
  3. Step 3: Cross multiply
    117,877,018.80x = 176,815,528.20 × 60,481,390.80
  4. Step 4: Simplify right side
    117,877,018.80x = 10,694,049,060,572,620
  5. Step 5: Solve for x
    x = 10,694,049,060,572,620/117,877,018.80
  6. Step 6: Final answer
    x = 90,722,086.20

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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.