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Finding the Fourth Proportional to 88,065.60, 132,098.40 and 57,998.40

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Solution

The fourth proportional to 88,065.60, 132,098.40 and 57,998.40 is: 86,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.60 : 132,098.40 = 57,998.40 : x
  2. Step 2: Convert to fraction form
    88,065.60/132,098.40 = 57,998.40/x
  3. Step 3: Cross multiply
    88,065.60x = 132,098.40 × 57,998.40
  4. Step 4: Simplify right side
    88,065.60x = 7,661,495,842.56
  5. Step 5: Solve for x
    x = 7,661,495,842.56/88,065.60
  6. Step 6: Final answer
    x = 86,997.60

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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.