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Finding the Fourth Proportional to 88,456.80, 132,685.20 and 25,276.80

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Solution

The fourth proportional to 88,456.80, 132,685.20 and 25,276.80 is: 37,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.80 : 132,685.20 = 25,276.80 : x
  2. Step 2: Convert to fraction form
    88,456.80/132,685.20 = 25,276.80/x
  3. Step 3: Cross multiply
    88,456.80x = 132,685.20 × 25,276.80
  4. Step 4: Simplify right side
    88,456.80x = 3,353,857,263.36
  5. Step 5: Solve for x
    x = 3,353,857,263.36/88,456.80
  6. Step 6: Final answer
    x = 37,915.20

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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.