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Finding the Fourth Proportional to 60,578.48, 90,860.54 and 16,208.66

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Solution

The fourth proportional to 60,578.48, 90,860.54 and 16,208.66 is: 24,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.48 : 90,860.54 = 16,208.66 : x
  2. Step 2: Convert to fraction form
    60,578.48/90,860.54 = 16,208.66/x
  3. Step 3: Cross multiply
    60,578.48x = 90,860.54 × 16,208.66
  4. Step 4: Simplify right side
    60,578.48x = 1,472,727,064.93
  5. Step 5: Solve for x
    x = 1,472,727,064.93/60,578.48
  6. Step 6: Final answer
    x = 24,311.06

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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.