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Finding the Fourth Proportional to 169,246.54, 233,286.15 and 114,780.70

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Solution

The fourth proportional to 169,246.54, 233,286.15 and 114,780.70 is: 158,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,246.54 : 233,286.15 = 114,780.70 : x
  2. Step 2: Convert to fraction form
    169,246.54/233,286.15 = 114,780.70/x
  3. Step 3: Cross multiply
    169,246.54x = 233,286.15 × 114,780.70
  4. Step 4: Simplify right side
    169,246.54x = 26,776,747,597.31
  5. Step 5: Solve for x
    x = 26,776,747,597.31/169,246.54
  6. Step 6: Final answer
    x = 158,211.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.