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Finding the Fourth Proportional to 227,772.90, 341,918.55 and 134,331.30

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Solution

The fourth proportional to 227,772.90, 341,918.55 and 134,331.30 is: 201,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,772.90 : 341,918.55 = 134,331.30 : x
  2. Step 2: Convert to fraction form
    227,772.90/341,918.55 = 134,331.30/x
  3. Step 3: Cross multiply
    227,772.90x = 341,918.55 × 134,331.30
  4. Step 4: Simplify right side
    227,772.90x = 45,930,363,315.62
  5. Step 5: Solve for x
    x = 45,930,363,315.62/227,772.90
  6. Step 6: Final answer
    x = 201,649.82

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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.