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Finding the Fourth Proportional to 169,604.70, 254,443.95 and 51,272.95

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Solution

The fourth proportional to 169,604.70, 254,443.95 and 51,272.95 is: 76,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,604.70 : 254,443.95 = 51,272.95 : x
  2. Step 2: Convert to fraction form
    169,604.70/254,443.95 = 51,272.95/x
  3. Step 3: Cross multiply
    169,604.70x = 254,443.95 × 51,272.95
  4. Step 4: Simplify right side
    169,604.70x = 13,046,091,926.15
  5. Step 5: Solve for x
    x = 13,046,091,926.15/169,604.70
  6. Step 6: Final answer
    x = 76,920.58

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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.