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Finding the Fourth Proportional to 68,123.98, 102,192.92 and 26,039.48

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Solution

The fourth proportional to 68,123.98, 102,192.92 and 26,039.48 is: 39,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,123.98 : 102,192.92 = 26,039.48 : x
  2. Step 2: Convert to fraction form
    68,123.98/102,192.92 = 26,039.48/x
  3. Step 3: Cross multiply
    68,123.98x = 102,192.92 × 26,039.48
  4. Step 4: Simplify right side
    68,123.98x = 2,661,050,050.62
  5. Step 5: Solve for x
    x = 2,661,050,050.62/68,123.98
  6. Step 6: Final answer
    x = 39,061.87

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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.