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Finding the Fourth Proportional to 161,741.32, 242,578.52 and 43,384.52

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Solution

The fourth proportional to 161,741.32, 242,578.52 and 43,384.52 is: 65,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,741.32 : 242,578.52 = 43,384.52 : x
  2. Step 2: Convert to fraction form
    161,741.32/242,578.52 = 43,384.52/x
  3. Step 3: Cross multiply
    161,741.32x = 242,578.52 × 43,384.52
  4. Step 4: Simplify right side
    161,741.32x = 10,524,152,652.51
  5. Step 5: Solve for x
    x = 10,524,152,652.51/161,741.32
  6. Step 6: Final answer
    x = 65,067.80

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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.