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Finding the Fourth Proportional to 178,401.24, 267,646.50 and 125,913.24

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Solution

The fourth proportional to 178,401.24, 267,646.50 and 125,913.24 is: 188,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,401.24 : 267,646.50 = 125,913.24 : x
  2. Step 2: Convert to fraction form
    178,401.24/267,646.50 = 125,913.24/x
  3. Step 3: Cross multiply
    178,401.24x = 267,646.50 × 125,913.24
  4. Step 4: Simplify right side
    178,401.24x = 33,700,237,989.66
  5. Step 5: Solve for x
    x = 33,700,237,989.66/178,401.24
  6. Step 6: Final answer
    x = 188,901.37

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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.