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Finding the Fourth Proportional to 109,677.46, 151,354.96 and 59,376.46

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Solution

The fourth proportional to 109,677.46, 151,354.96 and 59,376.46 is: 81,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,677.46 : 151,354.96 = 59,376.46 : x
  2. Step 2: Convert to fraction form
    109,677.46/151,354.96 = 59,376.46/x
  3. Step 3: Cross multiply
    109,677.46x = 151,354.96 × 59,376.46
  4. Step 4: Simplify right side
    109,677.46x = 8,986,921,728.24
  5. Step 5: Solve for x
    x = 8,986,921,728.24/109,677.46
  6. Step 6: Final answer
    x = 81,939.55

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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.