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Finding the Fourth Proportional to 169,637.30, 254,068.41 and 80,953.10

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Solution

The fourth proportional to 169,637.30, 254,068.41 and 80,953.10 is: 121,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,637.30 : 254,068.41 = 80,953.10 : x
  2. Step 2: Convert to fraction form
    169,637.30/254,068.41 = 80,953.10/x
  3. Step 3: Cross multiply
    169,637.30x = 254,068.41 × 80,953.10
  4. Step 4: Simplify right side
    169,637.30x = 20,567,625,401.57
  5. Step 5: Solve for x
    x = 20,567,625,401.57/169,637.30
  6. Step 6: Final answer
    x = 121,244.71

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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.