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Finding the Fourth Proportional to 69,010.37, 95,404.14 and 68,378.87

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Solution

The fourth proportional to 69,010.37, 95,404.14 and 68,378.87 is: 94,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,010.37 : 95,404.14 = 68,378.87 : x
  2. Step 2: Convert to fraction form
    69,010.37/95,404.14 = 68,378.87/x
  3. Step 3: Cross multiply
    69,010.37x = 95,404.14 × 68,378.87
  4. Step 4: Simplify right side
    69,010.37x = 6,523,626,809.50
  5. Step 5: Solve for x
    x = 6,523,626,809.50/69,010.37
  6. Step 6: Final answer
    x = 94,531.12

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1.5x scale

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.