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Finding the Fourth Proportional to 88,305.60, 132,458.40 and 83,467.20

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Solution

The fourth proportional to 88,305.60, 132,458.40 and 83,467.20 is: 125,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,305.60 : 132,458.40 = 83,467.20 : x
  2. Step 2: Convert to fraction form
    88,305.60/132,458.40 = 83,467.20/x
  3. Step 3: Cross multiply
    88,305.60x = 132,458.40 × 83,467.20
  4. Step 4: Simplify right side
    88,305.60x = 11,055,931,764.48
  5. Step 5: Solve for x
    x = 11,055,931,764.48/88,305.60
  6. Step 6: Final answer
    x = 125,200.80

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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.