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Finding the Fourth Proportional to 200,011.87, 276,019.33 and 135,500.84

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Solution

The fourth proportional to 200,011.87, 276,019.33 and 135,500.84 is: 186,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,011.87 : 276,019.33 = 135,500.84 : x
  2. Step 2: Convert to fraction form
    200,011.87/276,019.33 = 135,500.84/x
  3. Step 3: Cross multiply
    200,011.87x = 276,019.33 × 135,500.84
  4. Step 4: Simplify right side
    200,011.87x = 37,400,850,895.59
  5. Step 5: Solve for x
    x = 37,400,850,895.59/200,011.87
  6. Step 6: Final answer
    x = 186,993.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.