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Finding the Fourth Proportional to 72,330.30, 108,527.85 and 32,867.10

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Solution

The fourth proportional to 72,330.30, 108,527.85 and 32,867.10 is: 49,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330.30 : 108,527.85 = 32,867.10 : x
  2. Step 2: Convert to fraction form
    72,330.30/108,527.85 = 32,867.10/x
  3. Step 3: Cross multiply
    72,330.30x = 108,527.85 × 32,867.10
  4. Step 4: Simplify right side
    72,330.30x = 3,566,995,698.74
  5. Step 5: Solve for x
    x = 3,566,995,698.74/72,330.30
  6. Step 6: Final answer
    x = 49,315.37

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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.