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Finding the Fourth Proportional to 88,959.31, 133,406.61 and 29,780.92

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Solution

The fourth proportional to 88,959.31, 133,406.61 and 29,780.92 is: 44,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,959.31 : 133,406.61 = 29,780.92 : x
  2. Step 2: Convert to fraction form
    88,959.31/133,406.61 = 29,780.92/x
  3. Step 3: Cross multiply
    88,959.31x = 133,406.61 × 29,780.92
  4. Step 4: Simplify right side
    88,959.31x = 3,972,971,579.88
  5. Step 5: Solve for x
    x = 3,972,971,579.88/88,959.31
  6. Step 6: Final answer
    x = 44,660.55

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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.