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Finding the Fourth Proportional to 96,894.60, 133,713.72 and 54,453.04

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Solution

The fourth proportional to 96,894.60, 133,713.72 and 54,453.04 is: 75,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,894.60 : 133,713.72 = 54,453.04 : x
  2. Step 2: Convert to fraction form
    96,894.60/133,713.72 = 54,453.04/x
  3. Step 3: Cross multiply
    96,894.60x = 133,713.72 × 54,453.04
  4. Step 4: Simplify right side
    96,894.60x = 7,281,118,543.71
  5. Step 5: Solve for x
    x = 7,281,118,543.71/96,894.60
  6. Step 6: Final answer
    x = 75,144.73

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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.