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Finding the Fourth Proportional to 101,167.20, 151,750.80 and 38,839.20

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Solution

The fourth proportional to 101,167.20, 151,750.80 and 38,839.20 is: 58,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.20 : 151,750.80 = 38,839.20 : x
  2. Step 2: Convert to fraction form
    101,167.20/151,750.80 = 38,839.20/x
  3. Step 3: Cross multiply
    101,167.20x = 151,750.80 × 38,839.20
  4. Step 4: Simplify right side
    101,167.20x = 5,893,879,671.36
  5. Step 5: Solve for x
    x = 5,893,879,671.36/101,167.20
  6. Step 6: Final answer
    x = 58,258.80

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1.5x scale

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.