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Finding the Fourth Proportional to 101,124.68, 151,564.05 and 71,551.04

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Solution

The fourth proportional to 101,124.68, 151,564.05 and 71,551.04 is: 107,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,124.68 : 151,564.05 = 71,551.04 : x
  2. Step 2: Convert to fraction form
    101,124.68/151,564.05 = 71,551.04/x
  3. Step 3: Cross multiply
    101,124.68x = 151,564.05 × 71,551.04
  4. Step 4: Simplify right side
    101,124.68x = 10,844,565,404.11
  5. Step 5: Solve for x
    x = 10,844,565,404.11/101,124.68
  6. Step 6: Final answer
    x = 107,239.55

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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.