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Finding the Fourth Proportional to 67,266.16, 100,899.16 and 37,298.72

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Solution

The fourth proportional to 67,266.16, 100,899.16 and 37,298.72 is: 55,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266.16 : 100,899.16 = 37,298.72 : x
  2. Step 2: Convert to fraction form
    67,266.16/100,899.16 = 37,298.72/x
  3. Step 3: Cross multiply
    67,266.16x = 100,899.16 × 37,298.72
  4. Step 4: Simplify right side
    67,266.16x = 3,763,409,517.08
  5. Step 5: Solve for x
    x = 3,763,409,517.08/67,266.16
  6. Step 6: Final answer
    x = 55,948.04

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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.