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Finding the Fourth Proportional to 169,440.78, 233,856.31 and 94,013.58

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Solution

The fourth proportional to 169,440.78, 233,856.31 and 94,013.58 is: 129,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,440.78 : 233,856.31 = 94,013.58 : x
  2. Step 2: Convert to fraction form
    169,440.78/233,856.31 = 94,013.58/x
  3. Step 3: Cross multiply
    169,440.78x = 233,856.31 × 94,013.58
  4. Step 4: Simplify right side
    169,440.78x = 21,985,668,908.69
  5. Step 5: Solve for x
    x = 21,985,668,908.69/169,440.78
  6. Step 6: Final answer
    x = 129,754.29

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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.