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Finding the Fourth Proportional to 220,427.92, 304,194.05 and 124,932.57

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Solution

The fourth proportional to 220,427.92, 304,194.05 and 124,932.57 is: 172,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,427.92 : 304,194.05 = 124,932.57 : x
  2. Step 2: Convert to fraction form
    220,427.92/304,194.05 = 124,932.57/x
  3. Step 3: Cross multiply
    220,427.92x = 304,194.05 × 124,932.57
  4. Step 4: Simplify right side
    220,427.92x = 38,003,744,445.21
  5. Step 5: Solve for x
    x = 38,003,744,445.21/220,427.92
  6. Step 6: Final answer
    x = 172,408.94

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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.