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Finding the Fourth Proportional to 254,373.25, 381,567.17 and 67,384.75

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Solution

The fourth proportional to 254,373.25, 381,567.17 and 67,384.75 is: 101,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,373.25 : 381,567.17 = 67,384.75 : x
  2. Step 2: Convert to fraction form
    254,373.25/381,567.17 = 67,384.75/x
  3. Step 3: Cross multiply
    254,373.25x = 381,567.17 × 67,384.75
  4. Step 4: Simplify right side
    254,373.25x = 25,711,808,358.66
  5. Step 5: Solve for x
    x = 25,711,808,358.66/254,373.25
  6. Step 6: Final answer
    x = 101,079.06

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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.