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Finding the Fourth Proportional to 123,715.53, 185,334.48 and 73,835.46

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Solution

The fourth proportional to 123,715.53, 185,334.48 and 73,835.46 is: 110,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,715.53 : 185,334.48 = 73,835.46 : x
  2. Step 2: Convert to fraction form
    123,715.53/185,334.48 = 73,835.46/x
  3. Step 3: Cross multiply
    123,715.53x = 185,334.48 × 73,835.46
  4. Step 4: Simplify right side
    123,715.53x = 13,684,256,584.66
  5. Step 5: Solve for x
    x = 13,684,256,584.66/123,715.53
  6. Step 6: Final answer
    x = 110,610.66

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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.