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Finding the Fourth Proportional to 220,585.88, 304,462.59 and 125,148.44

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Solution

The fourth proportional to 220,585.88, 304,462.59 and 125,148.44 is: 172,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,585.88 : 304,462.59 = 125,148.44 : x
  2. Step 2: Convert to fraction form
    220,585.88/304,462.59 = 125,148.44/x
  3. Step 3: Cross multiply
    220,585.88x = 304,462.59 × 125,148.44
  4. Step 4: Simplify right side
    220,585.88x = 38,103,018,176.86
  5. Step 5: Solve for x
    x = 38,103,018,176.86/220,585.88
  6. Step 6: Final answer
    x = 172,735.53

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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.