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Finding the Fourth Proportional to 100,448.42, 150,667.74 and 37,280.84

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Solution

The fourth proportional to 100,448.42, 150,667.74 and 37,280.84 is: 55,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,448.42 : 150,667.74 = 37,280.84 : x
  2. Step 2: Convert to fraction form
    100,448.42/150,667.74 = 37,280.84/x
  3. Step 3: Cross multiply
    100,448.42x = 150,667.74 × 37,280.84
  4. Step 4: Simplify right side
    100,448.42x = 5,617,019,154.76
  5. Step 5: Solve for x
    x = 5,617,019,154.76/100,448.42
  6. Step 6: Final answer
    x = 55,919.44

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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.