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Finding the Fourth Proportional to 167,442.90, 251,140.05 and 49,101.90

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Solution

The fourth proportional to 167,442.90, 251,140.05 and 49,101.90 is: 73,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,442.90 : 251,140.05 = 49,101.90 : x
  2. Step 2: Convert to fraction form
    167,442.90/251,140.05 = 49,101.90/x
  3. Step 3: Cross multiply
    167,442.90x = 251,140.05 × 49,101.90
  4. Step 4: Simplify right side
    167,442.90x = 12,331,453,621.10
  5. Step 5: Solve for x
    x = 12,331,453,621.10/167,442.90
  6. Step 6: Final answer
    x = 73,645.72

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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.