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Finding the Fourth Proportional to 247,666.56, 341,783.92 and 140,233.76

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Solution

The fourth proportional to 247,666.56, 341,783.92 and 140,233.76 is: 193,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,666.56 : 341,783.92 = 140,233.76 : x
  2. Step 2: Convert to fraction form
    247,666.56/341,783.92 = 140,233.76/x
  3. Step 3: Cross multiply
    247,666.56x = 341,783.92 × 140,233.76
  4. Step 4: Simplify right side
    247,666.56x = 47,929,644,209.14
  5. Step 5: Solve for x
    x = 47,929,644,209.14/247,666.56
  6. Step 6: Final answer
    x = 193,524.89

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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.