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Finding the Fourth Proportional to 68,855.20, 94,985.04 and 44,995.84

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Solution

The fourth proportional to 68,855.20, 94,985.04 and 44,995.84 is: 62,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,855.20 : 94,985.04 = 44,995.84 : x
  2. Step 2: Convert to fraction form
    68,855.20/94,985.04 = 44,995.84/x
  3. Step 3: Cross multiply
    68,855.20x = 94,985.04 × 44,995.84
  4. Step 4: Simplify right side
    68,855.20x = 4,273,931,662.23
  5. Step 5: Solve for x
    x = 4,273,931,662.23/68,855.20
  6. Step 6: Final answer
    x = 62,071.30

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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.