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Finding the Fourth Proportional to 107,951.10, 161,931.51 and 33,065.79

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Solution

The fourth proportional to 107,951.10, 161,931.51 and 33,065.79 is: 49,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,951.10 : 161,931.51 = 33,065.79 : x
  2. Step 2: Convert to fraction form
    107,951.10/161,931.51 = 33,065.79/x
  3. Step 3: Cross multiply
    107,951.10x = 161,931.51 × 33,065.79
  4. Step 4: Simplify right side
    107,951.10x = 5,354,393,304.04
  5. Step 5: Solve for x
    x = 5,354,393,304.04/107,951.10
  6. Step 6: Final answer
    x = 49,600.17

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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.