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Finding the Fourth Proportional to 62,199.55, 85,835.65 and 35,343.49

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Solution

The fourth proportional to 62,199.55, 85,835.65 and 35,343.49 is: 48,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,199.55 : 85,835.65 = 35,343.49 : x
  2. Step 2: Convert to fraction form
    62,199.55/85,835.65 = 35,343.49/x
  3. Step 3: Cross multiply
    62,199.55x = 85,835.65 × 35,343.49
  4. Step 4: Simplify right side
    62,199.55x = 3,033,731,361.68
  5. Step 5: Solve for x
    x = 3,033,731,361.68/62,199.55
  6. Step 6: Final answer
    x = 48,774.17

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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.