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Finding the Fourth Proportional to 67,111.60, 100,668.84 and 24,415.60

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Solution

The fourth proportional to 67,111.60, 100,668.84 and 24,415.60 is: 36,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,111.60 : 100,668.84 = 24,415.60 : x
  2. Step 2: Convert to fraction form
    67,111.60/100,668.84 = 24,415.60/x
  3. Step 3: Cross multiply
    67,111.60x = 100,668.84 × 24,415.60
  4. Step 4: Simplify right side
    67,111.60x = 2,457,890,129.90
  5. Step 5: Solve for x
    x = 2,457,890,129.90/67,111.60
  6. Step 6: Final answer
    x = 36,623.92

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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.