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Finding the Fourth Proportional to 61,723.50, 85,183.67 and 34,870.93

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Solution

The fourth proportional to 61,723.50, 85,183.67 and 34,870.93 is: 48,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,723.50 : 85,183.67 = 34,870.93 : x
  2. Step 2: Convert to fraction form
    61,723.50/85,183.67 = 34,870.93/x
  3. Step 3: Cross multiply
    61,723.50x = 85,183.67 × 34,870.93
  4. Step 4: Simplify right side
    61,723.50x = 2,970,433,793.71
  5. Step 5: Solve for x
    x = 2,970,433,793.71/61,723.50
  6. Step 6: Final answer
    x = 48,124.84

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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.