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Finding the Fourth Proportional to 101,145.54, 151,737.78 and 38,811.18

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Solution

The fourth proportional to 101,145.54, 151,737.78 and 38,811.18 is: 58,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,145.54 : 151,737.78 = 38,811.18 : x
  2. Step 2: Convert to fraction form
    101,145.54/151,737.78 = 38,811.18/x
  3. Step 3: Cross multiply
    101,145.54x = 151,737.78 × 38,811.18
  4. Step 4: Simplify right side
    101,145.54x = 5,889,122,292.38
  5. Step 5: Solve for x
    x = 5,889,122,292.38/101,145.54
  6. Step 6: Final answer
    x = 58,224.24

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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.