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Finding the Fourth Proportional to 169,489.28, 233,894.54 and 93,009.66

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Solution

The fourth proportional to 169,489.28, 233,894.54 and 93,009.66 is: 128,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489.28 : 233,894.54 = 93,009.66 : x
  2. Step 2: Convert to fraction form
    169,489.28/233,894.54 = 93,009.66/x
  3. Step 3: Cross multiply
    169,489.28x = 233,894.54 × 93,009.66
  4. Step 4: Simplify right side
    169,489.28x = 21,754,451,641.26
  5. Step 5: Solve for x
    x = 21,754,451,641.26/169,489.28
  6. Step 6: Final answer
    x = 128,352.97

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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.