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Finding the Fourth Proportional to 119,737.53, 165,245.22 and 66,022.38

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Solution

The fourth proportional to 119,737.53, 165,245.22 and 66,022.38 is: 91,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,737.53 : 165,245.22 = 66,022.38 : x
  2. Step 2: Convert to fraction form
    119,737.53/165,245.22 = 66,022.38/x
  3. Step 3: Cross multiply
    119,737.53x = 165,245.22 × 66,022.38
  4. Step 4: Simplify right side
    119,737.53x = 10,909,882,708.02
  5. Step 5: Solve for x
    x = 10,909,882,708.02/119,737.53
  6. Step 6: Final answer
    x = 91,114.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.