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Finding the Fourth Proportional to 96,888.82, 133,718.87 and 54,447.32

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Solution

The fourth proportional to 96,888.82, 133,718.87 and 54,447.32 is: 75,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,888.82 : 133,718.87 = 54,447.32 : x
  2. Step 2: Convert to fraction form
    96,888.82/133,718.87 = 54,447.32/x
  3. Step 3: Cross multiply
    96,888.82x = 133,718.87 × 54,447.32
  4. Step 4: Simplify right side
    96,888.82x = 7,280,633,164.10
  5. Step 5: Solve for x
    x = 7,280,633,164.10/96,888.82
  6. Step 6: Final answer
    x = 75,144.20

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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.