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Finding the Fourth Proportional to 88,615.32, 132,857.28 and 53,546.88

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Solution

The fourth proportional to 88,615.32, 132,857.28 and 53,546.88 is: 80,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,615.32 : 132,857.28 = 53,546.88 : x
  2. Step 2: Convert to fraction form
    88,615.32/132,857.28 = 53,546.88/x
  3. Step 3: Cross multiply
    88,615.32x = 132,857.28 × 53,546.88
  4. Step 4: Simplify right side
    88,615.32x = 7,114,092,829.29
  5. Step 5: Solve for x
    x = 7,114,092,829.29/88,615.32
  6. Step 6: Final answer
    x = 80,280.62

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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.