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Finding the Fourth Proportional to 66,741.70, 92,102.31 and 36,526.42

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Solution

The fourth proportional to 66,741.70, 92,102.31 and 36,526.42 is: 50,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.70 : 92,102.31 = 36,526.42 : x
  2. Step 2: Convert to fraction form
    66,741.70/92,102.31 = 36,526.42/x
  3. Step 3: Cross multiply
    66,741.70x = 92,102.31 × 36,526.42
  4. Step 4: Simplify right side
    66,741.70x = 3,364,167,197.52
  5. Step 5: Solve for x
    x = 3,364,167,197.52/66,741.70
  6. Step 6: Final answer
    x = 50,405.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.