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Finding the Fourth Proportional to 96,368.68, 132,986.66 and 52,761.13

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Solution

The fourth proportional to 96,368.68, 132,986.66 and 52,761.13 is: 72,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,368.68 : 132,986.66 = 52,761.13 : x
  2. Step 2: Convert to fraction form
    96,368.68/132,986.66 = 52,761.13/x
  3. Step 3: Cross multiply
    96,368.68x = 132,986.66 × 52,761.13
  4. Step 4: Simplify right side
    96,368.68x = 7,016,526,905.08
  5. Step 5: Solve for x
    x = 7,016,526,905.08/96,368.68
  6. Step 6: Final answer
    x = 72,809.21

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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.