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Finding the Fourth Proportional to 169,489, 233,894.19 and 93,009.39

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Solution

The fourth proportional to 169,489, 233,894.19 and 93,009.39 is: 128,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489 : 233,894.19 = 93,009.39 : x
  2. Step 2: Convert to fraction form
    169,489/233,894.19 = 93,009.39/x
  3. Step 3: Cross multiply
    169,489x = 233,894.19 × 93,009.39
  4. Step 4: Simplify right side
    169,489x = 21,754,355,936.44
  5. Step 5: Solve for x
    x = 21,754,355,936.44/169,489
  6. Step 6: Final answer
    x = 128,352.61

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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.