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Finding the Fourth Proportional to 100,277.87, 150,269.12 and 55,843.57

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Solution

The fourth proportional to 100,277.87, 150,269.12 and 55,843.57 is: 83,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.87 : 150,269.12 = 55,843.57 : x
  2. Step 2: Convert to fraction form
    100,277.87/150,269.12 = 55,843.57/x
  3. Step 3: Cross multiply
    100,277.87x = 150,269.12 × 55,843.57
  4. Step 4: Simplify right side
    100,277.87x = 8,391,563,090.99
  5. Step 5: Solve for x
    x = 8,391,563,090.99/100,277.87
  6. Step 6: Final answer
    x = 83,683.10

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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.