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Finding the Fourth Proportional to 169,874.88, 254,882.16 and 75,055.02

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Solution

The fourth proportional to 169,874.88, 254,882.16 and 75,055.02 is: 112,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,874.88 : 254,882.16 = 75,055.02 : x
  2. Step 2: Convert to fraction form
    169,874.88/254,882.16 = 75,055.02/x
  3. Step 3: Cross multiply
    169,874.88x = 254,882.16 × 75,055.02
  4. Step 4: Simplify right side
    169,874.88x = 19,130,185,616.44
  5. Step 5: Solve for x
    x = 19,130,185,616.44/169,874.88
  6. Step 6: Final answer
    x = 112,613.39

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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.