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Finding the Fourth Proportional to 251,832.29, 377,879.65 and 111,558.11

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Solution

The fourth proportional to 251,832.29, 377,879.65 and 111,558.11 is: 167,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,832.29 : 377,879.65 = 111,558.11 : x
  2. Step 2: Convert to fraction form
    251,832.29/377,879.65 = 111,558.11/x
  3. Step 3: Cross multiply
    251,832.29x = 377,879.65 × 111,558.11
  4. Step 4: Simplify right side
    251,832.29x = 42,155,537,393.17
  5. Step 5: Solve for x
    x = 42,155,537,393.17/251,832.29
  6. Step 6: Final answer
    x = 167,395.29

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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.