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Finding the Fourth Proportional to 63,115.30, 94,891.65 and 61,803.10

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Solution

The fourth proportional to 63,115.30, 94,891.65 and 61,803.10 is: 92,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.30 : 94,891.65 = 61,803.10 : x
  2. Step 2: Convert to fraction form
    63,115.30/94,891.65 = 61,803.10/x
  3. Step 3: Cross multiply
    63,115.30x = 94,891.65 × 61,803.10
  4. Step 4: Simplify right side
    63,115.30x = 5,864,598,134.12
  5. Step 5: Solve for x
    x = 5,864,598,134.12/63,115.30
  6. Step 6: Final answer
    x = 92,918.80

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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.