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Finding the Fourth Proportional to 181,708.96, 250,755.82 and 101,136.51

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Solution

The fourth proportional to 181,708.96, 250,755.82 and 101,136.51 is: 139,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,708.96 : 250,755.82 = 101,136.51 : x
  2. Step 2: Convert to fraction form
    181,708.96/250,755.82 = 101,136.51/x
  3. Step 3: Cross multiply
    181,708.96x = 250,755.82 × 101,136.51
  4. Step 4: Simplify right side
    181,708.96x = 25,360,566,737.53
  5. Step 5: Solve for x
    x = 25,360,566,737.53/181,708.96
  6. Step 6: Final answer
    x = 139,566.96

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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.