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Finding the Fourth Proportional to 137,268, 205,927.92 and 63,396

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Solution

The fourth proportional to 137,268, 205,927.92 and 63,396 is: 95,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,268 : 205,927.92 = 63,396 : x
  2. Step 2: Convert to fraction form
    137,268/205,927.92 = 63,396/x
  3. Step 3: Cross multiply
    137,268x = 205,927.92 × 63,396
  4. Step 4: Simplify right side
    137,268x = 13,055,006,416.32
  5. Step 5: Solve for x
    x = 13,055,006,416.32/137,268
  6. Step 6: Final answer
    x = 95,105.97

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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.