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Finding the Fourth Proportional to 68,230.96, 101,866.67 and 52,136.26

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Solution

The fourth proportional to 68,230.96, 101,866.67 and 52,136.26 is: 77,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.96 : 101,866.67 = 52,136.26 : x
  2. Step 2: Convert to fraction form
    68,230.96/101,866.67 = 52,136.26/x
  3. Step 3: Cross multiply
    68,230.96x = 101,866.67 × 52,136.26
  4. Step 4: Simplify right side
    68,230.96x = 5,310,947,192.45
  5. Step 5: Solve for x
    x = 5,310,947,192.45/68,230.96
  6. Step 6: Final answer
    x = 77,837.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.