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Finding the Fourth Proportional to 169,123.41, 233,387.78 and 92,641.91

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Solution

The fourth proportional to 169,123.41, 233,387.78 and 92,641.91 is: 127,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,123.41 : 233,387.78 = 92,641.91 : x
  2. Step 2: Convert to fraction form
    169,123.41/233,387.78 = 92,641.91/x
  3. Step 3: Cross multiply
    169,123.41x = 233,387.78 × 92,641.91
  4. Step 4: Simplify right side
    169,123.41x = 21,621,488,079.71
  5. Step 5: Solve for x
    x = 21,621,488,079.71/169,123.41
  6. Step 6: Final answer
    x = 127,844.44

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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.