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Finding the Fourth Proportional to 149,874.70, 224,812.05 and 148,999.90

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Solution

The fourth proportional to 149,874.70, 224,812.05 and 148,999.90 is: 223,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,874.70 : 224,812.05 = 148,999.90 : x
  2. Step 2: Convert to fraction form
    149,874.70/224,812.05 = 148,999.90/x
  3. Step 3: Cross multiply
    149,874.70x = 224,812.05 × 148,999.90
  4. Step 4: Simplify right side
    149,874.70x = 33,496,972,968.80
  5. Step 5: Solve for x
    x = 33,496,972,968.80/149,874.70
  6. Step 6: Final answer
    x = 223,499.85

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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.