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Finding the Fourth Proportional to 96,315.39, 132,913.04 and 53,877.87

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Solution

The fourth proportional to 96,315.39, 132,913.04 and 53,877.87 is: 74,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,315.39 : 132,913.04 = 53,877.87 : x
  2. Step 2: Convert to fraction form
    96,315.39/132,913.04 = 53,877.87/x
  3. Step 3: Cross multiply
    96,315.39x = 132,913.04 × 53,877.87
  4. Step 4: Simplify right side
    96,315.39x = 7,161,071,221.04
  5. Step 5: Solve for x
    x = 7,161,071,221.04/96,315.39
  6. Step 6: Final answer
    x = 74,350.23

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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.