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Finding the Fourth Proportional to 68,750.98, 94,855.05 and 38,532.11

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Solution

The fourth proportional to 68,750.98, 94,855.05 and 38,532.11 is: 53,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,750.98 : 94,855.05 = 38,532.11 : x
  2. Step 2: Convert to fraction form
    68,750.98/94,855.05 = 38,532.11/x
  3. Step 3: Cross multiply
    68,750.98x = 94,855.05 × 38,532.11
  4. Step 4: Simplify right side
    68,750.98x = 3,654,964,746.38
  5. Step 5: Solve for x
    x = 3,654,964,746.38/68,750.98
  6. Step 6: Final answer
    x = 53,162.37

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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.