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Finding the Fourth Proportional to 92,696.81, 127,853.66 and 60,854.09

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Solution

The fourth proportional to 92,696.81, 127,853.66 and 60,854.09 is: 83,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,696.81 : 127,853.66 = 60,854.09 : x
  2. Step 2: Convert to fraction form
    92,696.81/127,853.66 = 60,854.09/x
  3. Step 3: Cross multiply
    92,696.81x = 127,853.66 × 60,854.09
  4. Step 4: Simplify right side
    92,696.81x = 7,780,417,828.20
  5. Step 5: Solve for x
    x = 7,780,417,828.20/92,696.81
  6. Step 6: Final answer
    x = 83,934.04

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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.