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Finding the Fourth Proportional to 109,385.31, 150,951.80 and 59,084.31

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Solution

The fourth proportional to 109,385.31, 150,951.80 and 59,084.31 is: 81,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,385.31 : 150,951.80 = 59,084.31 : x
  2. Step 2: Convert to fraction form
    109,385.31/150,951.80 = 59,084.31/x
  3. Step 3: Cross multiply
    109,385.31x = 150,951.80 × 59,084.31
  4. Step 4: Simplify right side
    109,385.31x = 8,918,882,650.84
  5. Step 5: Solve for x
    x = 8,918,882,650.84/109,385.31
  6. Step 6: Final answer
    x = 81,536.38

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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.