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Finding the Fourth Proportional to 240,363.32, 360,519.03 and 80,421.14

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Solution

The fourth proportional to 240,363.32, 360,519.03 and 80,421.14 is: 120,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,363.32 : 360,519.03 = 80,421.14 : x
  2. Step 2: Convert to fraction form
    240,363.32/360,519.03 = 80,421.14/x
  3. Step 3: Cross multiply
    240,363.32x = 360,519.03 × 80,421.14
  4. Step 4: Simplify right side
    240,363.32x = 28,993,351,384.29
  5. Step 5: Solve for x
    x = 28,993,351,384.29/240,363.32
  6. Step 6: Final answer
    x = 120,623.03

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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.