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Finding the Fourth Proportional to 109,335.46, 163,843.62 and 48,472.30

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Solution

The fourth proportional to 109,335.46, 163,843.62 and 48,472.30 is: 72,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,335.46 : 163,843.62 = 48,472.30 : x
  2. Step 2: Convert to fraction form
    109,335.46/163,843.62 = 48,472.30/x
  3. Step 3: Cross multiply
    109,335.46x = 163,843.62 × 48,472.30
  4. Step 4: Simplify right side
    109,335.46x = 7,941,877,101.73
  5. Step 5: Solve for x
    x = 7,941,877,101.73/109,335.46
  6. Step 6: Final answer
    x = 72,637.71

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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.