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Finding the Fourth Proportional to 169,395.54, 253,649.40 and 119,203.89

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Solution

The fourth proportional to 169,395.54, 253,649.40 and 119,203.89 is: 178,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,395.54 : 253,649.40 = 119,203.89 : x
  2. Step 2: Convert to fraction form
    169,395.54/253,649.40 = 119,203.89/x
  3. Step 3: Cross multiply
    169,395.54x = 253,649.40 × 119,203.89
  4. Step 4: Simplify right side
    169,395.54x = 30,235,995,176.17
  5. Step 5: Solve for x
    x = 30,235,995,176.17/169,395.54
  6. Step 6: Final answer
    x = 178,493.45

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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.