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Finding the Fourth Proportional to 174,517.29, 240,955.43 and 117,243.81

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Solution

The fourth proportional to 174,517.29, 240,955.43 and 117,243.81 is: 161,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,517.29 : 240,955.43 = 117,243.81 : x
  2. Step 2: Convert to fraction form
    174,517.29/240,955.43 = 117,243.81/x
  3. Step 3: Cross multiply
    174,517.29x = 240,955.43 × 117,243.81
  4. Step 4: Simplify right side
    174,517.29x = 28,250,532,067.17
  5. Step 5: Solve for x
    x = 28,250,532,067.17/174,517.29
  6. Step 6: Final answer
    x = 161,878.13

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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.