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Finding the Fourth Proportional to 150,140.96, 224,762.72 and 90,797.12

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Solution

The fourth proportional to 150,140.96, 224,762.72 and 90,797.12 is: 135,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,140.96 : 224,762.72 = 90,797.12 : x
  2. Step 2: Convert to fraction form
    150,140.96/224,762.72 = 90,797.12/x
  3. Step 3: Cross multiply
    150,140.96x = 224,762.72 × 90,797.12
  4. Step 4: Simplify right side
    150,140.96x = 20,407,807,659.37
  5. Step 5: Solve for x
    x = 20,407,807,659.37/150,140.96
  6. Step 6: Final answer
    x = 135,924.32

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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.