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Finding the Fourth Proportional to 68,045.42, 101,849.74 and 36,376.30

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Solution

The fourth proportional to 68,045.42, 101,849.74 and 36,376.30 is: 54,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,045.42 : 101,849.74 = 36,376.30 : x
  2. Step 2: Convert to fraction form
    68,045.42/101,849.74 = 36,376.30/x
  3. Step 3: Cross multiply
    68,045.42x = 101,849.74 × 36,376.30
  4. Step 4: Simplify right side
    68,045.42x = 3,704,916,697.16
  5. Step 5: Solve for x
    x = 3,704,916,697.16/68,045.42
  6. Step 6: Final answer
    x = 54,447.70

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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.