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Finding the Fourth Proportional to 247,666.91, 341,781.59 and 134,489.66

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Solution

The fourth proportional to 247,666.91, 341,781.59 and 134,489.66 is: 185,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,666.91 : 341,781.59 = 134,489.66 : x
  2. Step 2: Convert to fraction form
    247,666.91/341,781.59 = 134,489.66/x
  3. Step 3: Cross multiply
    247,666.91x = 341,781.59 × 134,489.66
  4. Step 4: Simplify right side
    247,666.91x = 45,966,088,460.68
  5. Step 5: Solve for x
    x = 45,966,088,460.68/247,666.91
  6. Step 6: Final answer
    x = 185,596.41

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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.