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Finding the Fourth Proportional to 185,151.03, 277,726.95 and 66,905.88

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Solution

The fourth proportional to 185,151.03, 277,726.95 and 66,905.88 is: 100,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,151.03 : 277,726.95 = 66,905.88 : x
  2. Step 2: Convert to fraction form
    185,151.03/277,726.95 = 66,905.88/x
  3. Step 3: Cross multiply
    185,151.03x = 277,726.95 × 66,905.88
  4. Step 4: Simplify right side
    185,151.03x = 18,581,565,989.47
  5. Step 5: Solve for x
    x = 18,581,565,989.47/185,151.03
  6. Step 6: Final answer
    x = 100,358.97

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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.