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Finding the Fourth Proportional to 135,677.75, 187,241.54 and 75,244.79

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Solution

The fourth proportional to 135,677.75, 187,241.54 and 75,244.79 is: 103,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,677.75 : 187,241.54 = 75,244.79 : x
  2. Step 2: Convert to fraction form
    135,677.75/187,241.54 = 75,244.79/x
  3. Step 3: Cross multiply
    135,677.75x = 187,241.54 × 75,244.79
  4. Step 4: Simplify right side
    135,677.75x = 14,088,949,044.15
  5. Step 5: Solve for x
    x = 14,088,949,044.15/135,677.75
  6. Step 6: Final answer
    x = 103,841.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.