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Finding the Fourth Proportional to 247,016.60, 370,514.58 and 104,822.84

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Solution

The fourth proportional to 247,016.60, 370,514.58 and 104,822.84 is: 157,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,016.60 : 370,514.58 = 104,822.84 : x
  2. Step 2: Convert to fraction form
    247,016.60/370,514.58 = 104,822.84/x
  3. Step 3: Cross multiply
    247,016.60x = 370,514.58 × 104,822.84
  4. Step 4: Simplify right side
    247,016.60x = 38,838,390,537.01
  5. Step 5: Solve for x
    x = 38,838,390,537.01/247,016.60
  6. Step 6: Final answer
    x = 157,229.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.