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Finding the Fourth Proportional to 61,481.70, 92,222.55 and 60,185.70

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Solution

The fourth proportional to 61,481.70, 92,222.55 and 60,185.70 is: 90,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.70 : 92,222.55 = 60,185.70 : x
  2. Step 2: Convert to fraction form
    61,481.70/92,222.55 = 60,185.70/x
  3. Step 3: Cross multiply
    61,481.70x = 92,222.55 × 60,185.70
  4. Step 4: Simplify right side
    61,481.70x = 5,550,478,727.54
  5. Step 5: Solve for x
    x = 5,550,478,727.54/61,481.70
  6. Step 6: Final answer
    x = 90,278.55

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1.5x scale

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.