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Finding the Fourth Proportional to 169,071.39, 233,318.51 and 93,619.89

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Solution

The fourth proportional to 169,071.39, 233,318.51 and 93,619.89 is: 129,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,071.39 : 233,318.51 = 93,619.89 : x
  2. Step 2: Convert to fraction form
    169,071.39/233,318.51 = 93,619.89/x
  3. Step 3: Cross multiply
    169,071.39x = 233,318.51 × 93,619.89
  4. Step 4: Simplify right side
    169,071.39x = 21,843,252,773.06
  5. Step 5: Solve for x
    x = 21,843,252,773.06/169,071.39
  6. Step 6: Final answer
    x = 129,195.44

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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.