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Finding the Fourth Proportional to 220,793.48, 304,647.54 and 125,292.68

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Solution

The fourth proportional to 220,793.48, 304,647.54 and 125,292.68 is: 172,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,793.48 : 304,647.54 = 125,292.68 : x
  2. Step 2: Convert to fraction form
    220,793.48/304,647.54 = 125,292.68/x
  3. Step 3: Cross multiply
    220,793.48x = 304,647.54 × 125,292.68
  4. Step 4: Simplify right side
    220,793.48x = 38,170,106,742.01
  5. Step 5: Solve for x
    x = 38,170,106,742.01/220,793.48
  6. Step 6: Final answer
    x = 172,876.97

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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.