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Finding the Fourth Proportional to 181,495.89, 250,470.15 and 100,926.81

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Solution

The fourth proportional to 181,495.89, 250,470.15 and 100,926.81 is: 139,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,495.89 : 250,470.15 = 100,926.81 : x
  2. Step 2: Convert to fraction form
    181,495.89/250,470.15 = 100,926.81/x
  3. Step 3: Cross multiply
    181,495.89x = 250,470.15 × 100,926.81
  4. Step 4: Simplify right side
    181,495.89x = 25,279,153,239.72
  5. Step 5: Solve for x
    x = 25,279,153,239.72/181,495.89
  6. Step 6: Final answer
    x = 139,282.24

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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.