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Finding the Fourth Proportional to 80,810.80, 121,216.29 and 24,647.93

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Solution

The fourth proportional to 80,810.80, 121,216.29 and 24,647.93 is: 36,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.80 : 121,216.29 = 24,647.93 : x
  2. Step 2: Convert to fraction form
    80,810.80/121,216.29 = 24,647.93/x
  3. Step 3: Cross multiply
    80,810.80x = 121,216.29 × 24,647.93
  4. Step 4: Simplify right side
    80,810.80x = 2,987,730,933.82
  5. Step 5: Solve for x
    x = 2,987,730,933.82/80,810.80
  6. Step 6: Final answer
    x = 36,971.93

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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.