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Finding the Fourth Proportional to 181,503.69, 250,474.11 and 100,926.51

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Solution

The fourth proportional to 181,503.69, 250,474.11 and 100,926.51 is: 139,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,503.69 : 250,474.11 = 100,926.51 : x
  2. Step 2: Convert to fraction form
    181,503.69/250,474.11 = 100,926.51/x
  3. Step 3: Cross multiply
    181,503.69x = 250,474.11 × 100,926.51
  4. Step 4: Simplify right side
    181,503.69x = 25,279,477,767.66
  5. Step 5: Solve for x
    x = 25,279,477,767.66/181,503.69
  6. Step 6: Final answer
    x = 139,278.04

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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.