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Finding the Fourth Proportional to 68,469.80, 94,437.78 and 43,295

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Solution

The fourth proportional to 68,469.80, 94,437.78 and 43,295 is: 59,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,469.80 : 94,437.78 = 43,295 : x
  2. Step 2: Convert to fraction form
    68,469.80/94,437.78 = 43,295/x
  3. Step 3: Cross multiply
    68,469.80x = 94,437.78 × 43,295
  4. Step 4: Simplify right side
    68,469.80x = 4,088,683,685.10
  5. Step 5: Solve for x
    x = 4,088,683,685.10/68,469.80
  6. Step 6: Final answer
    x = 59,715.14

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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.