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Finding the Fourth Proportional to 114,174.80, 157,594.92 and 66,449.36

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Solution

The fourth proportional to 114,174.80, 157,594.92 and 66,449.36 is: 91,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,174.80 : 157,594.92 = 66,449.36 : x
  2. Step 2: Convert to fraction form
    114,174.80/157,594.92 = 66,449.36/x
  3. Step 3: Cross multiply
    114,174.80x = 157,594.92 × 66,449.36
  4. Step 4: Simplify right side
    114,174.80x = 10,472,081,573.25
  5. Step 5: Solve for x
    x = 10,472,081,573.25/114,174.80
  6. Step 6: Final answer
    x = 91,719.73

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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.