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Finding the Fourth Proportional to 109,750.78, 151,456.08 and 59,449.78

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Solution

The fourth proportional to 109,750.78, 151,456.08 and 59,449.78 is: 82,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,750.78 : 151,456.08 = 59,449.78 : x
  2. Step 2: Convert to fraction form
    109,750.78/151,456.08 = 59,449.78/x
  3. Step 3: Cross multiply
    109,750.78x = 151,456.08 × 59,449.78
  4. Step 4: Simplify right side
    109,750.78x = 9,004,030,635.66
  5. Step 5: Solve for x
    x = 9,004,030,635.66/109,750.78
  6. Step 6: Final answer
    x = 82,040.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.