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Finding the Fourth Proportional to 80,341.79, 120,488.36 and 24,166.98

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Solution

The fourth proportional to 80,341.79, 120,488.36 and 24,166.98 is: 36,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,341.79 : 120,488.36 = 24,166.98 : x
  2. Step 2: Convert to fraction form
    80,341.79/120,488.36 = 24,166.98/x
  3. Step 3: Cross multiply
    80,341.79x = 120,488.36 × 24,166.98
  4. Step 4: Simplify right side
    80,341.79x = 2,911,839,786.35
  5. Step 5: Solve for x
    x = 2,911,839,786.35/80,341.79
  6. Step 6: Final answer
    x = 36,243.15

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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.