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Finding the Fourth Proportional to 68,021.02, 102,042.10 and 34,723.06

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Solution

The fourth proportional to 68,021.02, 102,042.10 and 34,723.06 is: 52,089.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,021.02 : 102,042.10 = 34,723.06 : x
  2. Step 2: Convert to fraction form
    68,021.02/102,042.10 = 34,723.06/x
  3. Step 3: Cross multiply
    68,021.02x = 102,042.10 × 34,723.06
  4. Step 4: Simplify right side
    68,021.02x = 3,543,213,960.83
  5. Step 5: Solve for x
    x = 3,543,213,960.83/68,021.02
  6. Step 6: Final answer
    x = 52,089.99

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1.5x scale

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.