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Finding the Fourth Proportional to 68,272.64, 94,206.94 and 38,054.38

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Solution

The fourth proportional to 68,272.64, 94,206.94 and 38,054.38 is: 52,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,272.64 : 94,206.94 = 38,054.38 : x
  2. Step 2: Convert to fraction form
    68,272.64/94,206.94 = 38,054.38/x
  3. Step 3: Cross multiply
    68,272.64x = 94,206.94 × 38,054.38
  4. Step 4: Simplify right side
    68,272.64x = 3,584,986,693.40
  5. Step 5: Solve for x
    x = 3,584,986,693.40/68,272.64
  6. Step 6: Final answer
    x = 52,509.86

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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.