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Finding the Fourth Proportional to 74,449.98, 111,686.04 and 24,520.86

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Solution

The fourth proportional to 74,449.98, 111,686.04 and 24,520.86 is: 36,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.98 : 111,686.04 = 24,520.86 : x
  2. Step 2: Convert to fraction form
    74,449.98/111,686.04 = 24,520.86/x
  3. Step 3: Cross multiply
    74,449.98x = 111,686.04 × 24,520.86
  4. Step 4: Simplify right side
    74,449.98x = 2,738,637,750.79
  5. Step 5: Solve for x
    x = 2,738,637,750.79/74,449.98
  6. Step 6: Final answer
    x = 36,784.94

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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.