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Finding the Fourth Proportional to 110,691.64, 152,754.06 and 60,390.52

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Solution

The fourth proportional to 110,691.64, 152,754.06 and 60,390.52 is: 83,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,691.64 : 152,754.06 = 60,390.52 : x
  2. Step 2: Convert to fraction form
    110,691.64/152,754.06 = 60,390.52/x
  3. Step 3: Cross multiply
    110,691.64x = 152,754.06 × 60,390.52
  4. Step 4: Simplify right side
    110,691.64x = 9,224,897,115.51
  5. Step 5: Solve for x
    x = 9,224,897,115.51/110,691.64
  6. Step 6: Final answer
    x = 83,338.70

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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.