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Finding the Fourth Proportional to 181,368, 272,067.68 and 50,040

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Solution

The fourth proportional to 181,368, 272,067.68 and 50,040 is: 75,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,368 : 272,067.68 = 50,040 : x
  2. Step 2: Convert to fraction form
    181,368/272,067.68 = 50,040/x
  3. Step 3: Cross multiply
    181,368x = 272,067.68 × 50,040
  4. Step 4: Simplify right side
    181,368x = 13,614,266,707.20
  5. Step 5: Solve for x
    x = 13,614,266,707.20/181,368
  6. Step 6: Final answer
    x = 75,064.33

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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.