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Finding the Fourth Proportional to 109,133.82, 163,700.80 and 30,248.73

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Solution

The fourth proportional to 109,133.82, 163,700.80 and 30,248.73 is: 45,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133.82 : 163,700.80 = 30,248.73 : x
  2. Step 2: Convert to fraction form
    109,133.82/163,700.80 = 30,248.73/x
  3. Step 3: Cross multiply
    109,133.82x = 163,700.80 × 30,248.73
  4. Step 4: Simplify right side
    109,133.82x = 4,951,741,224.36
  5. Step 5: Solve for x
    x = 4,951,741,224.36/109,133.82
  6. Step 6: Final answer
    x = 45,373.11

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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.