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Finding the Fourth Proportional to 88,524.40, 132,940.20 and 47,052.40

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Solution

The fourth proportional to 88,524.40, 132,940.20 and 47,052.40 is: 70,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,524.40 : 132,940.20 = 47,052.40 : x
  2. Step 2: Convert to fraction form
    88,524.40/132,940.20 = 47,052.40/x
  3. Step 3: Cross multiply
    88,524.40x = 132,940.20 × 47,052.40
  4. Step 4: Simplify right side
    88,524.40x = 6,255,155,466.48
  5. Step 5: Solve for x
    x = 6,255,155,466.48/88,524.40
  6. Step 6: Final answer
    x = 70,660.24

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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.