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Finding the Fourth Proportional to 68,262.65, 94,202.89 and 38,049.89

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Solution

The fourth proportional to 68,262.65, 94,202.89 and 38,049.89 is: 52,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262.65 : 94,202.89 = 38,049.89 : x
  2. Step 2: Convert to fraction form
    68,262.65/94,202.89 = 38,049.89/x
  3. Step 3: Cross multiply
    68,262.65x = 94,202.89 × 38,049.89
  4. Step 4: Simplify right side
    68,262.65x = 3,584,409,036.04
  5. Step 5: Solve for x
    x = 3,584,409,036.04/68,262.65
  6. Step 6: Final answer
    x = 52,509.08

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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.