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Finding the Fourth Proportional to 92,993.48, 139,487.64 and 33,830.24

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Solution

The fourth proportional to 92,993.48, 139,487.64 and 33,830.24 is: 50,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,993.48 : 139,487.64 = 33,830.24 : x
  2. Step 2: Convert to fraction form
    92,993.48/139,487.64 = 33,830.24/x
  3. Step 3: Cross multiply
    92,993.48x = 139,487.64 × 33,830.24
  4. Step 4: Simplify right side
    92,993.48x = 4,718,900,338.23
  5. Step 5: Solve for x
    x = 4,718,900,338.23/92,993.48
  6. Step 6: Final answer
    x = 50,744.42

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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.