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Finding the Fourth Proportional to 254,326.50, 381,489.75 and 88,114.50

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Solution

The fourth proportional to 254,326.50, 381,489.75 and 88,114.50 is: 132,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,326.50 : 381,489.75 = 88,114.50 : x
  2. Step 2: Convert to fraction form
    254,326.50/381,489.75 = 88,114.50/x
  3. Step 3: Cross multiply
    254,326.50x = 381,489.75 × 88,114.50
  4. Step 4: Simplify right side
    254,326.50x = 33,614,778,576.38
  5. Step 5: Solve for x
    x = 33,614,778,576.38/254,326.50
  6. Step 6: Final answer
    x = 132,171.75

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1.5x scale

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.