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Finding the Fourth Proportional to 220,793.51, 304,677.72 and 125,300.18

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Solution

The fourth proportional to 220,793.51, 304,677.72 and 125,300.18 is: 172,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,793.51 : 304,677.72 = 125,300.18 : x
  2. Step 2: Convert to fraction form
    220,793.51/304,677.72 = 125,300.18/x
  3. Step 3: Cross multiply
    220,793.51x = 304,677.72 × 125,300.18
  4. Step 4: Simplify right side
    220,793.51x = 38,176,173,919.68
  5. Step 5: Solve for x
    x = 38,176,173,919.68/220,793.51
  6. Step 6: Final answer
    x = 172,904.42

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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.