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Finding the Fourth Proportional to 66,707.08, 100,065.90 and 22,334.02

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Solution

The fourth proportional to 66,707.08, 100,065.90 and 22,334.02 is: 33,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,707.08 : 100,065.90 = 22,334.02 : x
  2. Step 2: Convert to fraction form
    66,707.08/100,065.90 = 22,334.02/x
  3. Step 3: Cross multiply
    66,707.08x = 100,065.90 × 22,334.02
  4. Step 4: Simplify right side
    66,707.08x = 2,234,873,811.92
  5. Step 5: Solve for x
    x = 2,234,873,811.92/66,707.08
  6. Step 6: Final answer
    x = 33,502.80

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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.