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Finding the Fourth Proportional to 247,714.66, 371,088.25 and 117,698.43

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Solution

The fourth proportional to 247,714.66, 371,088.25 and 117,698.43 is: 176,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,714.66 : 371,088.25 = 117,698.43 : x
  2. Step 2: Convert to fraction form
    247,714.66/371,088.25 = 117,698.43/x
  3. Step 3: Cross multiply
    247,714.66x = 371,088.25 × 117,698.43
  4. Step 4: Simplify right side
    247,714.66x = 43,676,505,553.61
  5. Step 5: Solve for x
    x = 43,676,505,553.61/247,714.66
  6. Step 6: Final answer
    x = 176,317.81

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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.