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Finding the Fourth Proportional to 181,411.56, 250,343.10 and 100,837.08

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Solution

The fourth proportional to 181,411.56, 250,343.10 and 100,837.08 is: 139,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,411.56 : 250,343.10 = 100,837.08 : x
  2. Step 2: Convert to fraction form
    181,411.56/250,343.10 = 100,837.08/x
  3. Step 3: Cross multiply
    181,411.56x = 250,343.10 × 100,837.08
  4. Step 4: Simplify right side
    181,411.56x = 25,243,867,202.15
  5. Step 5: Solve for x
    x = 25,243,867,202.15/181,411.56
  6. Step 6: Final answer
    x = 139,152.47

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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.