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Finding the Fourth Proportional to 101,953.54, 152,882.79 and 38,785.42

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Solution

The fourth proportional to 101,953.54, 152,882.79 and 38,785.42 is: 58,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,953.54 : 152,882.79 = 38,785.42 : x
  2. Step 2: Convert to fraction form
    101,953.54/152,882.79 = 38,785.42/x
  3. Step 3: Cross multiply
    101,953.54x = 152,882.79 × 38,785.42
  4. Step 4: Simplify right side
    101,953.54x = 5,929,623,220.92
  5. Step 5: Solve for x
    x = 5,929,623,220.92/101,953.54
  6. Step 6: Final answer
    x = 58,160.05

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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.