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Finding the Fourth Proportional to 169,085.58, 233,232.53 and 108,734.91

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Solution

The fourth proportional to 169,085.58, 233,232.53 and 108,734.91 is: 149,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,085.58 : 233,232.53 = 108,734.91 : x
  2. Step 2: Convert to fraction form
    169,085.58/233,232.53 = 108,734.91/x
  3. Step 3: Cross multiply
    169,085.58x = 233,232.53 × 108,734.91
  4. Step 4: Simplify right side
    169,085.58x = 25,360,517,614.95
  5. Step 5: Solve for x
    x = 25,360,517,614.95/169,085.58
  6. Step 6: Final answer
    x = 149,986.28

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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.