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Finding the Fourth Proportional to 169,419.69, 233,802.29 and 92,942.71

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Solution

The fourth proportional to 169,419.69, 233,802.29 and 92,942.71 is: 128,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,419.69 : 233,802.29 = 92,942.71 : x
  2. Step 2: Convert to fraction form
    169,419.69/233,802.29 = 92,942.71/x
  3. Step 3: Cross multiply
    169,419.69x = 233,802.29 × 92,942.71
  4. Step 4: Simplify right side
    169,419.69x = 21,730,218,084.66
  5. Step 5: Solve for x
    x = 21,730,218,084.66/169,419.69
  6. Step 6: Final answer
    x = 128,262.65

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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.