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Finding the Fourth Proportional to 88,630.80, 132,946.20 and 60,637.20

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Solution

The fourth proportional to 88,630.80, 132,946.20 and 60,637.20 is: 90,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,630.80 : 132,946.20 = 60,637.20 : x
  2. Step 2: Convert to fraction form
    88,630.80/132,946.20 = 60,637.20/x
  3. Step 3: Cross multiply
    88,630.80x = 132,946.20 × 60,637.20
  4. Step 4: Simplify right side
    88,630.80x = 8,061,485,318.64
  5. Step 5: Solve for x
    x = 8,061,485,318.64/88,630.80
  6. Step 6: Final answer
    x = 90,955.80

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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.