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Finding the Fourth Proportional to 181,699.53, 250,742.86 and 101,127.07

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Solution

The fourth proportional to 181,699.53, 250,742.86 and 101,127.07 is: 139,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,699.53 : 250,742.86 = 101,127.07 : x
  2. Step 2: Convert to fraction form
    181,699.53/250,742.86 = 101,127.07/x
  3. Step 3: Cross multiply
    181,699.53x = 250,742.86 × 101,127.07
  4. Step 4: Simplify right side
    181,699.53x = 25,356,890,249.58
  5. Step 5: Solve for x
    x = 25,356,890,249.58/181,699.53
  6. Step 6: Final answer
    x = 139,553.97

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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.