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Finding the Fourth Proportional to 169,173.88, 233,347.92 and 108,821.20

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Solution

The fourth proportional to 169,173.88, 233,347.92 and 108,821.20 is: 150,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,173.88 : 233,347.92 = 108,821.20 : x
  2. Step 2: Convert to fraction form
    169,173.88/233,347.92 = 108,821.20/x
  3. Step 3: Cross multiply
    169,173.88x = 233,347.92 × 108,821.20
  4. Step 4: Simplify right side
    169,173.88x = 25,393,200,671.90
  5. Step 5: Solve for x
    x = 25,393,200,671.90/169,173.88
  6. Step 6: Final answer
    x = 150,101.19

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1.5x scale

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.