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Finding the Fourth Proportional to 68,303.69, 102,439.00 and 35,006.61

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Solution

The fourth proportional to 68,303.69, 102,439.00 and 35,006.61 is: 52,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,303.69 : 102,439.00 = 35,006.61 : x
  2. Step 2: Convert to fraction form
    68,303.69/102,439.00 = 35,006.61/x
  3. Step 3: Cross multiply
    68,303.69x = 102,439.00 × 35,006.61
  4. Step 4: Simplify right side
    68,303.69x = 3,586,042,352.78
  5. Step 5: Solve for x
    x = 3,586,042,352.78/68,303.69
  6. Step 6: Final answer
    x = 52,501.44

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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.