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Finding the Fourth Proportional to 181,697.83, 250,742.75 and 101,123.43

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Solution

The fourth proportional to 181,697.83, 250,742.75 and 101,123.43 is: 139,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,697.83 : 250,742.75 = 101,123.43 : x
  2. Step 2: Convert to fraction form
    181,697.83/250,742.75 = 101,123.43/x
  3. Step 3: Cross multiply
    181,697.83x = 250,742.75 × 101,123.43
  4. Step 4: Simplify right side
    181,697.83x = 25,355,966,422.02
  5. Step 5: Solve for x
    x = 25,355,966,422.02/181,697.83
  6. Step 6: Final answer
    x = 139,550.19

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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.