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Finding the Fourth Proportional to 80,357.81, 120,554.10 and 24,193.59

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Solution

The fourth proportional to 80,357.81, 120,554.10 and 24,193.59 is: 36,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,357.81 : 120,554.10 = 24,193.59 : x
  2. Step 2: Convert to fraction form
    80,357.81/120,554.10 = 24,193.59/x
  3. Step 3: Cross multiply
    80,357.81x = 120,554.10 × 24,193.59
  4. Step 4: Simplify right side
    80,357.81x = 2,916,636,468.22
  5. Step 5: Solve for x
    x = 2,916,636,468.22/80,357.81
  6. Step 6: Final answer
    x = 36,295.62

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1.5x scale

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.