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Finding the Fourth Proportional to 61,530.68, 91,958.78 and 44,925.68

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Solution

The fourth proportional to 61,530.68, 91,958.78 and 44,925.68 is: 67,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530.68 : 91,958.78 = 44,925.68 : x
  2. Step 2: Convert to fraction form
    61,530.68/91,958.78 = 44,925.68/x
  3. Step 3: Cross multiply
    61,530.68x = 91,958.78 × 44,925.68
  4. Step 4: Simplify right side
    61,530.68x = 4,131,310,723.47
  5. Step 5: Solve for x
    x = 4,131,310,723.47/61,530.68
  6. Step 6: Final answer
    x = 67,142.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.