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Finding the Fourth Proportional to 181,512.64, 272,281.92 and 48,392.20

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Solution

The fourth proportional to 181,512.64, 272,281.92 and 48,392.20 is: 72,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,512.64 : 272,281.92 = 48,392.20 : x
  2. Step 2: Convert to fraction form
    181,512.64/272,281.92 = 48,392.20/x
  3. Step 3: Cross multiply
    181,512.64x = 272,281.92 × 48,392.20
  4. Step 4: Simplify right side
    181,512.64x = 13,176,321,129.02
  5. Step 5: Solve for x
    x = 13,176,321,129.02/181,512.64
  6. Step 6: Final answer
    x = 72,591.76

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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.