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Finding the Fourth Proportional to 169,891.42, 254,835.51 and 45,232.42

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Solution

The fourth proportional to 169,891.42, 254,835.51 and 45,232.42 is: 67,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,891.42 : 254,835.51 = 45,232.42 : x
  2. Step 2: Convert to fraction form
    169,891.42/254,835.51 = 45,232.42/x
  3. Step 3: Cross multiply
    169,891.42x = 254,835.51 × 45,232.42
  4. Step 4: Simplify right side
    169,891.42x = 11,526,826,819.23
  5. Step 5: Solve for x
    x = 11,526,826,819.23/169,891.42
  6. Step 6: Final answer
    x = 67,848.20

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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.