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Finding the Fourth Proportional to 88,549.60, 132,824.40 and 84,467.20

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Solution

The fourth proportional to 88,549.60, 132,824.40 and 84,467.20 is: 126,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,549.60 : 132,824.40 = 84,467.20 : x
  2. Step 2: Convert to fraction form
    88,549.60/132,824.40 = 84,467.20/x
  3. Step 3: Cross multiply
    88,549.60x = 132,824.40 × 84,467.20
  4. Step 4: Simplify right side
    88,549.60x = 11,219,305,159.68
  5. Step 5: Solve for x
    x = 11,219,305,159.68/88,549.60
  6. Step 6: Final answer
    x = 126,700.80

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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.