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Finding the Fourth Proportional to 68,237.92, 94,159.84 and 39,557.44

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Solution

The fourth proportional to 68,237.92, 94,159.84 and 39,557.44 is: 54,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,237.92 : 94,159.84 = 39,557.44 : x
  2. Step 2: Convert to fraction form
    68,237.92/94,159.84 = 39,557.44/x
  3. Step 3: Cross multiply
    68,237.92x = 94,159.84 × 39,557.44
  4. Step 4: Simplify right side
    68,237.92x = 3,724,722,221.21
  5. Step 5: Solve for x
    x = 3,724,722,221.21/68,237.92
  6. Step 6: Final answer
    x = 54,584.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.