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Finding the Fourth Proportional to 220,452.72, 304,248.48 and 124,949.16

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Solution

The fourth proportional to 220,452.72, 304,248.48 and 124,949.16 is: 172,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,452.72 : 304,248.48 = 124,949.16 : x
  2. Step 2: Convert to fraction form
    220,452.72/304,248.48 = 124,949.16/x
  3. Step 3: Cross multiply
    220,452.72x = 304,248.48 × 124,949.16
  4. Step 4: Simplify right side
    220,452.72x = 38,015,592,007.28
  5. Step 5: Solve for x
    x = 38,015,592,007.28/220,452.72
  6. Step 6: Final answer
    x = 172,443.29

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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.