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Finding the Fourth Proportional to 181,656, 272,499.36 and 50,328

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Solution

The fourth proportional to 181,656, 272,499.36 and 50,328 is: 75,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,656 : 272,499.36 = 50,328 : x
  2. Step 2: Convert to fraction form
    181,656/272,499.36 = 50,328/x
  3. Step 3: Cross multiply
    181,656x = 272,499.36 × 50,328
  4. Step 4: Simplify right side
    181,656x = 13,714,347,790.08
  5. Step 5: Solve for x
    x = 13,714,347,790.08/181,656
  6. Step 6: Final answer
    x = 75,496.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.