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Finding the Fourth Proportional to 185,488.55, 278,045.88 and 73,125.27

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Solution

The fourth proportional to 185,488.55, 278,045.88 and 73,125.27 is: 109,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,488.55 : 278,045.88 = 73,125.27 : x
  2. Step 2: Convert to fraction form
    185,488.55/278,045.88 = 73,125.27/x
  3. Step 3: Cross multiply
    185,488.55x = 278,045.88 × 73,125.27
  4. Step 4: Simplify right side
    185,488.55x = 20,332,180,047.39
  5. Step 5: Solve for x
    x = 20,332,180,047.39/185,488.55
  6. Step 6: Final answer
    x = 109,614.21

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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.