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Finding the Fourth Proportional to 178,737.37, 267,695.99 and 103,671.33

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Solution

The fourth proportional to 178,737.37, 267,695.99 and 103,671.33 is: 155,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737.37 : 267,695.99 = 103,671.33 : x
  2. Step 2: Convert to fraction form
    178,737.37/267,695.99 = 103,671.33/x
  3. Step 3: Cross multiply
    178,737.37x = 267,695.99 × 103,671.33
  4. Step 4: Simplify right side
    178,737.37x = 27,752,398,185.52
  5. Step 5: Solve for x
    x = 27,752,398,185.52/178,737.37
  6. Step 6: Final answer
    x = 155,269.14

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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.