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Finding the Fourth Proportional to 68,017.02, 102,036.10 and 34,719.06

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Solution

The fourth proportional to 68,017.02, 102,036.10 and 34,719.06 is: 52,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,017.02 : 102,036.10 = 34,719.06 : x
  2. Step 2: Convert to fraction form
    68,017.02/102,036.10 = 34,719.06/x
  3. Step 3: Cross multiply
    68,017.02x = 102,036.10 × 34,719.06
  4. Step 4: Simplify right side
    68,017.02x = 3,542,597,478.07
  5. Step 5: Solve for x
    x = 3,542,597,478.07/68,017.02
  6. Step 6: Final answer
    x = 52,083.99

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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.