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Finding the Fourth Proportional to 123,441, 185,123.26 and 44,545

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Solution

The fourth proportional to 123,441, 185,123.26 and 44,545 is: 66,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441 : 185,123.26 = 44,545 : x
  2. Step 2: Convert to fraction form
    123,441/185,123.26 = 44,545/x
  3. Step 3: Cross multiply
    123,441x = 185,123.26 × 44,545
  4. Step 4: Simplify right side
    123,441x = 8,246,315,616.70
  5. Step 5: Solve for x
    x = 8,246,315,616.70/123,441
  6. Step 6: Final answer
    x = 66,803.70

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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.