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Finding the Fourth Proportional to 109,456.48, 151,050 and 59,155.52

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Solution

The fourth proportional to 109,456.48, 151,050 and 59,155.52 is: 81,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,456.48 : 151,050 = 59,155.52 : x
  2. Step 2: Convert to fraction form
    109,456.48/151,050 = 59,155.52/x
  3. Step 3: Cross multiply
    109,456.48x = 151,050 × 59,155.52
  4. Step 4: Simplify right side
    109,456.48x = 8,935,441,296
  5. Step 5: Solve for x
    x = 8,935,441,296/109,456.48
  6. Step 6: Final answer
    x = 81,634.65

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