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Finding the Fourth Proportional to 68,021.04, 102,042.08 and 34,723.04

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Solution

The fourth proportional to 68,021.04, 102,042.08 and 34,723.04 is: 52,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,021.04 : 102,042.08 = 34,723.04 : x
  2. Step 2: Convert to fraction form
    68,021.04/102,042.08 = 34,723.04/x
  3. Step 3: Cross multiply
    68,021.04x = 102,042.08 × 34,723.04
  4. Step 4: Simplify right side
    68,021.04x = 3,543,211,225.52
  5. Step 5: Solve for x
    x = 3,543,211,225.52/68,021.04
  6. Step 6: Final answer
    x = 52,089.93

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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.