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Finding the Fourth Proportional to 169,699.71, 234,171.93 and 98,084.37

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Solution

The fourth proportional to 169,699.71, 234,171.93 and 98,084.37 is: 135,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,699.71 : 234,171.93 = 98,084.37 : x
  2. Step 2: Convert to fraction form
    169,699.71/234,171.93 = 98,084.37/x
  3. Step 3: Cross multiply
    169,699.71x = 234,171.93 × 98,084.37
  4. Step 4: Simplify right side
    169,699.71x = 22,968,606,225.73
  5. Step 5: Solve for x
    x = 22,968,606,225.73/169,699.71
  6. Step 6: Final answer
    x = 135,348.53

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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.