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Finding the Fourth Proportional to 88,151.80, 132,214.20 and 28,987.60

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Solution

The fourth proportional to 88,151.80, 132,214.20 and 28,987.60 is: 43,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.80 : 132,214.20 = 28,987.60 : x
  2. Step 2: Convert to fraction form
    88,151.80/132,214.20 = 28,987.60/x
  3. Step 3: Cross multiply
    88,151.80x = 132,214.20 × 28,987.60
  4. Step 4: Simplify right side
    88,151.80x = 3,832,572,343.92
  5. Step 5: Solve for x
    x = 3,832,572,343.92/88,151.80
  6. Step 6: Final answer
    x = 43,476.96

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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.