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Finding the Fourth Proportional to 117,869.80, 176,610.30 and 101,151.40

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Solution

The fourth proportional to 117,869.80, 176,610.30 and 101,151.40 is: 151,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.80 : 176,610.30 = 101,151.40 : x
  2. Step 2: Convert to fraction form
    117,869.80/176,610.30 = 101,151.40/x
  3. Step 3: Cross multiply
    117,869.80x = 176,610.30 × 101,151.40
  4. Step 4: Simplify right side
    117,869.80x = 17,864,379,099.42
  5. Step 5: Solve for x
    x = 17,864,379,099.42/117,869.80
  6. Step 6: Final answer
    x = 151,560.27

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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.