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Finding the Fourth Proportional to 169,825.71, 234,112.48 and 118,679.65

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Solution

The fourth proportional to 169,825.71, 234,112.48 and 118,679.65 is: 163,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825.71 : 234,112.48 = 118,679.65 : x
  2. Step 2: Convert to fraction form
    169,825.71/234,112.48 = 118,679.65/x
  3. Step 3: Cross multiply
    169,825.71x = 234,112.48 × 118,679.65
  4. Step 4: Simplify right side
    169,825.71x = 27,784,385,719.77
  5. Step 5: Solve for x
    x = 27,784,385,719.77/169,825.71
  6. Step 6: Final answer
    x = 163,605.30

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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.