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Finding the Fourth Proportional to 169,290.20, 254,000.10 and 166,633.40

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Solution

The fourth proportional to 169,290.20, 254,000.10 and 166,633.40 is: 250,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,290.20 : 254,000.10 = 166,633.40 : x
  2. Step 2: Convert to fraction form
    169,290.20/254,000.10 = 166,633.40/x
  3. Step 3: Cross multiply
    169,290.20x = 254,000.10 × 166,633.40
  4. Step 4: Simplify right side
    169,290.20x = 42,324,900,263.34
  5. Step 5: Solve for x
    x = 42,324,900,263.34/169,290.20
  6. Step 6: Final answer
    x = 250,013.88

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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.