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Finding the Fourth Proportional to 150,130.96, 224,997.72 and 79,858.96

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Solution

The fourth proportional to 150,130.96, 224,997.72 and 79,858.96 is: 119,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,130.96 : 224,997.72 = 79,858.96 : x
  2. Step 2: Convert to fraction form
    150,130.96/224,997.72 = 79,858.96/x
  3. Step 3: Cross multiply
    150,130.96x = 224,997.72 × 79,858.96
  4. Step 4: Simplify right side
    150,130.96x = 17,968,083,921.57
  5. Step 5: Solve for x
    x = 17,968,083,921.57/150,130.96
  6. Step 6: Final answer
    x = 119,682.74

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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.