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Finding the Fourth Proportional to 174,365.64, 240,696.90 and 117,853.56

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Solution

The fourth proportional to 174,365.64, 240,696.90 and 117,853.56 is: 162,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,365.64 : 240,696.90 = 117,853.56 : x
  2. Step 2: Convert to fraction form
    174,365.64/240,696.90 = 117,853.56/x
  3. Step 3: Cross multiply
    174,365.64x = 240,696.90 × 117,853.56
  4. Step 4: Simplify right side
    174,365.64x = 28,366,986,545.96
  5. Step 5: Solve for x
    x = 28,366,986,545.96/174,365.64
  6. Step 6: Final answer
    x = 162,686.79

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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.