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Finding the Fourth Proportional to 124,691.34, 187,010.28 and 35,928.30

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Solution

The fourth proportional to 124,691.34, 187,010.28 and 35,928.30 is: 53,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,691.34 : 187,010.28 = 35,928.30 : x
  2. Step 2: Convert to fraction form
    124,691.34/187,010.28 = 35,928.30/x
  3. Step 3: Cross multiply
    124,691.34x = 187,010.28 × 35,928.30
  4. Step 4: Simplify right side
    124,691.34x = 6,718,961,442.92
  5. Step 5: Solve for x
    x = 6,718,961,442.92/124,691.34
  6. Step 6: Final answer
    x = 53,884.75

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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.