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Finding the Fourth Proportional to 220,568.92, 304,388.58 and 125,073.64

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Solution

The fourth proportional to 220,568.92, 304,388.58 and 125,073.64 is: 172,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,568.92 : 304,388.58 = 125,073.64 : x
  2. Step 2: Convert to fraction form
    220,568.92/304,388.58 = 125,073.64/x
  3. Step 3: Cross multiply
    220,568.92x = 304,388.58 × 125,073.64
  4. Step 4: Simplify right side
    220,568.92x = 38,070,987,675.03
  5. Step 5: Solve for x
    x = 38,070,987,675.03/220,568.92
  6. Step 6: Final answer
    x = 172,603.59

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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.