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Finding the Fourth Proportional to 254,336.68, 381,505.20 and 88,124.68

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Solution

The fourth proportional to 254,336.68, 381,505.20 and 88,124.68 is: 132,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,336.68 : 381,505.20 = 88,124.68 : x
  2. Step 2: Convert to fraction form
    254,336.68/381,505.20 = 88,124.68/x
  3. Step 3: Cross multiply
    254,336.68x = 381,505.20 × 88,124.68
  4. Step 4: Simplify right side
    254,336.68x = 33,620,023,668.34
  5. Step 5: Solve for x
    x = 33,620,023,668.34/254,336.68
  6. Step 6: Final answer
    x = 132,187.08

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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.