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Finding the Fourth Proportional to 117,876,950.80, 176,815,426.20 and 60,481,322.80

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Solution

The fourth proportional to 117,876,950.80, 176,815,426.20 and 60,481,322.80 is: 90,721,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876,950.80 : 176,815,426.20 = 60,481,322.80 : x
  2. Step 2: Convert to fraction form
    117,876,950.80/176,815,426.20 = 60,481,322.80/x
  3. Step 3: Cross multiply
    117,876,950.80x = 176,815,426.20 × 60,481,322.80
  4. Step 4: Simplify right side
    117,876,950.80x = 10,694,030,868,021,776
  5. Step 5: Solve for x
    x = 10,694,030,868,021,776/117,876,950.80
  6. Step 6: Final answer
    x = 90,721,984.20

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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.