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Finding the Fourth Proportional to 137,243.52, 205,844.22 and 37,411.74

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Solution

The fourth proportional to 137,243.52, 205,844.22 and 37,411.74 is: 56,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,243.52 : 205,844.22 = 37,411.74 : x
  2. Step 2: Convert to fraction form
    137,243.52/205,844.22 = 37,411.74/x
  3. Step 3: Cross multiply
    137,243.52x = 205,844.22 × 37,411.74
  4. Step 4: Simplify right side
    137,243.52x = 7,700,990,439.14
  5. Step 5: Solve for x
    x = 7,700,990,439.14/137,243.52
  6. Step 6: Final answer
    x = 56,111.87

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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.