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Finding the Fourth Proportional to 88,292.80, 132,439.20 and 48,829.60

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Solution

The fourth proportional to 88,292.80, 132,439.20 and 48,829.60 is: 73,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,292.80 : 132,439.20 = 48,829.60 : x
  2. Step 2: Convert to fraction form
    88,292.80/132,439.20 = 48,829.60/x
  3. Step 3: Cross multiply
    88,292.80x = 132,439.20 × 48,829.60
  4. Step 4: Simplify right side
    88,292.80x = 6,466,953,160.32
  5. Step 5: Solve for x
    x = 6,466,953,160.32/88,292.80
  6. Step 6: Final answer
    x = 73,244.40

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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.