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Finding the Fourth Proportional to 169,267.76, 253,902.55 and 50,938.30

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Solution

The fourth proportional to 169,267.76, 253,902.55 and 50,938.30 is: 76,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,267.76 : 253,902.55 = 50,938.30 : x
  2. Step 2: Convert to fraction form
    169,267.76/253,902.55 = 50,938.30/x
  3. Step 3: Cross multiply
    169,267.76x = 253,902.55 × 50,938.30
  4. Step 4: Simplify right side
    169,267.76x = 12,933,364,262.67
  5. Step 5: Solve for x
    x = 12,933,364,262.67/169,267.76
  6. Step 6: Final answer
    x = 76,407.72

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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.