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Finding the Fourth Proportional to 88,250.68, 132,479.70 and 55,047.16

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Solution

The fourth proportional to 88,250.68, 132,479.70 and 55,047.16 is: 82,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,250.68 : 132,479.70 = 55,047.16 : x
  2. Step 2: Convert to fraction form
    88,250.68/132,479.70 = 55,047.16/x
  3. Step 3: Cross multiply
    88,250.68x = 132,479.70 × 55,047.16
  4. Step 4: Simplify right side
    88,250.68x = 7,292,631,242.65
  5. Step 5: Solve for x
    x = 7,292,631,242.65/88,250.68
  6. Step 6: Final answer
    x = 82,635.41

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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.