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Finding the Fourth Proportional to 254,652.67, 381,979.08 and 94,707.71

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Solution

The fourth proportional to 254,652.67, 381,979.08 and 94,707.71 is: 142,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,652.67 : 381,979.08 = 94,707.71 : x
  2. Step 2: Convert to fraction form
    254,652.67/381,979.08 = 94,707.71/x
  3. Step 3: Cross multiply
    254,652.67x = 381,979.08 × 94,707.71
  4. Step 4: Simplify right side
    254,652.67x = 36,176,361,551.27
  5. Step 5: Solve for x
    x = 36,176,361,551.27/254,652.67
  6. Step 6: Final answer
    x = 142,061.58

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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.