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Finding the Fourth Proportional to 169,079.78, 233,337.36 and 93,628.28

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Solution

The fourth proportional to 169,079.78, 233,337.36 and 93,628.28 is: 129,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,079.78 : 233,337.36 = 93,628.28 : x
  2. Step 2: Convert to fraction form
    169,079.78/233,337.36 = 93,628.28/x
  3. Step 3: Cross multiply
    169,079.78x = 233,337.36 × 93,628.28
  4. Step 4: Simplify right side
    169,079.78x = 21,846,975,676.54
  5. Step 5: Solve for x
    x = 21,846,975,676.54/169,079.78
  6. Step 6: Final answer
    x = 129,211.05

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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.