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Finding the Fourth Proportional to 169,339.80, 254,051.88 and 119,517.12

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Solution

The fourth proportional to 169,339.80, 254,051.88 and 119,517.12 is: 179,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,339.80 : 254,051.88 = 119,517.12 : x
  2. Step 2: Convert to fraction form
    169,339.80/254,051.88 = 119,517.12/x
  3. Step 3: Cross multiply
    169,339.80x = 254,051.88 × 119,517.12
  4. Step 4: Simplify right side
    169,339.80x = 30,363,549,028.19
  5. Step 5: Solve for x
    x = 30,363,549,028.19/169,339.80
  6. Step 6: Final answer
    x = 179,305.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.