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Finding the Fourth Proportional to 73,799.51, 110,710.20 and 38,741.90

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Solution

The fourth proportional to 73,799.51, 110,710.20 and 38,741.90 is: 58,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,799.51 : 110,710.20 = 38,741.90 : x
  2. Step 2: Convert to fraction form
    73,799.51/110,710.20 = 38,741.90/x
  3. Step 3: Cross multiply
    73,799.51x = 110,710.20 × 38,741.90
  4. Step 4: Simplify right side
    73,799.51x = 4,289,123,497.38
  5. Step 5: Solve for x
    x = 4,289,123,497.38/73,799.51
  6. Step 6: Final answer
    x = 58,118.59

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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.