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Finding the Fourth Proportional to 250,672.22, 345,944.12 and 137,494.97

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Solution

The fourth proportional to 250,672.22, 345,944.12 and 137,494.97 is: 189,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,672.22 : 345,944.12 = 137,494.97 : x
  2. Step 2: Convert to fraction form
    250,672.22/345,944.12 = 137,494.97/x
  3. Step 3: Cross multiply
    250,672.22x = 345,944.12 × 137,494.97
  4. Step 4: Simplify right side
    250,672.22x = 47,565,575,281.17
  5. Step 5: Solve for x
    x = 47,565,575,281.17/250,672.22
  6. Step 6: Final answer
    x = 189,752.08

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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.