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Finding the Fourth Proportional to 98,056.44, 146,787.24 and 88,700.40

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Solution

The fourth proportional to 98,056.44, 146,787.24 and 88,700.40 is: 132,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,056.44 : 146,787.24 = 88,700.40 : x
  2. Step 2: Convert to fraction form
    98,056.44/146,787.24 = 88,700.40/x
  3. Step 3: Cross multiply
    98,056.44x = 146,787.24 × 88,700.40
  4. Step 4: Simplify right side
    98,056.44x = 13,020,086,902.90
  5. Step 5: Solve for x
    x = 13,020,086,902.90/98,056.44
  6. Step 6: Final answer
    x = 132,781.56

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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.