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Finding the Fourth Proportional to 103,086.71, 154,654.28 and 32,005.70

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Solution

The fourth proportional to 103,086.71, 154,654.28 and 32,005.70 is: 48,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,086.71 : 154,654.28 = 32,005.70 : x
  2. Step 2: Convert to fraction form
    103,086.71/154,654.28 = 32,005.70/x
  3. Step 3: Cross multiply
    103,086.71x = 154,654.28 × 32,005.70
  4. Step 4: Simplify right side
    103,086.71x = 4,949,818,489.40
  5. Step 5: Solve for x
    x = 4,949,818,489.40/103,086.71
  6. Step 6: Final answer
    x = 48,016.07

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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.