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Finding the Fourth Proportional to 169,309.02, 254,005.38 and 119,486.46

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Solution

The fourth proportional to 169,309.02, 254,005.38 and 119,486.46 is: 179,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,309.02 : 254,005.38 = 119,486.46 : x
  2. Step 2: Convert to fraction form
    169,309.02/254,005.38 = 119,486.46/x
  3. Step 3: Cross multiply
    169,309.02x = 254,005.38 × 119,486.46
  4. Step 4: Simplify right side
    169,309.02x = 30,350,203,677.15
  5. Step 5: Solve for x
    x = 30,350,203,677.15/169,309.02
  6. Step 6: Final answer
    x = 179,259.22

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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.