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Finding the Fourth Proportional to 61,266.65, 91,926.09 and 34,616.30

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Solution

The fourth proportional to 61,266.65, 91,926.09 and 34,616.30 is: 51,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,266.65 : 91,926.09 = 34,616.30 : x
  2. Step 2: Convert to fraction form
    61,266.65/91,926.09 = 34,616.30/x
  3. Step 3: Cross multiply
    61,266.65x = 91,926.09 × 34,616.30
  4. Step 4: Simplify right side
    61,266.65x = 3,182,140,649.64
  5. Step 5: Solve for x
    x = 3,182,140,649.64/61,266.65
  6. Step 6: Final answer
    x = 51,939.20

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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.