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Finding the Fourth Proportional to 181,860.59, 250,975.40 and 101,288.14

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Solution

The fourth proportional to 181,860.59, 250,975.40 and 101,288.14 is: 139,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,860.59 : 250,975.40 = 101,288.14 : x
  2. Step 2: Convert to fraction form
    181,860.59/250,975.40 = 101,288.14/x
  3. Step 3: Cross multiply
    181,860.59x = 250,975.40 × 101,288.14
  4. Step 4: Simplify right side
    181,860.59x = 25,420,830,317.88
  5. Step 5: Solve for x
    x = 25,420,830,317.88/181,860.59
  6. Step 6: Final answer
    x = 139,781.96

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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.