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Finding the Fourth Proportional to 66,697.35, 100,045.98 and 26,734.38

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Solution

The fourth proportional to 66,697.35, 100,045.98 and 26,734.38 is: 40,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.35 : 100,045.98 = 26,734.38 : x
  2. Step 2: Convert to fraction form
    66,697.35/100,045.98 = 26,734.38/x
  3. Step 3: Cross multiply
    66,697.35x = 100,045.98 × 26,734.38
  4. Step 4: Simplify right side
    66,697.35x = 2,674,667,246.79
  5. Step 5: Solve for x
    x = 2,674,667,246.79/66,697.35
  6. Step 6: Final answer
    x = 40,101.55

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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.