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Finding the Fourth Proportional to 67,590.59, 101,222.46 and 65,819.12

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Solution

The fourth proportional to 67,590.59, 101,222.46 and 65,819.12 is: 98,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,590.59 : 101,222.46 = 65,819.12 : x
  2. Step 2: Convert to fraction form
    67,590.59/101,222.46 = 65,819.12/x
  3. Step 3: Cross multiply
    67,590.59x = 101,222.46 × 65,819.12
  4. Step 4: Simplify right side
    67,590.59x = 6,662,372,735.32
  5. Step 5: Solve for x
    x = 6,662,372,735.32/67,590.59
  6. Step 6: Final answer
    x = 98,569.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.