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Finding the Fourth Proportional to 181,751.22, 250,826.31 and 101,185.77

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Solution

The fourth proportional to 181,751.22, 250,826.31 and 101,185.77 is: 139,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,751.22 : 250,826.31 = 101,185.77 : x
  2. Step 2: Convert to fraction form
    181,751.22/250,826.31 = 101,185.77/x
  3. Step 3: Cross multiply
    181,751.22x = 250,826.31 × 101,185.77
  4. Step 4: Simplify right side
    181,751.22x = 25,380,053,313.61
  5. Step 5: Solve for x
    x = 25,380,053,313.61/181,751.22
  6. Step 6: Final answer
    x = 139,641.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.