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Finding the Fourth Proportional to 169,480.96, 254,290.56 and 136,510.72

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Solution

The fourth proportional to 169,480.96, 254,290.56 and 136,510.72 is: 204,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,480.96 : 254,290.56 = 136,510.72 : x
  2. Step 2: Convert to fraction form
    169,480.96/254,290.56 = 136,510.72/x
  3. Step 3: Cross multiply
    169,480.96x = 254,290.56 × 136,510.72
  4. Step 4: Simplify right side
    169,480.96x = 34,713,387,434.80
  5. Step 5: Solve for x
    x = 34,713,387,434.80/169,480.96
  6. Step 6: Final answer
    x = 204,821.75

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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.