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Finding the Fourth Proportional to 253,168.40, 379,529.11 and 95,507.57

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Solution

The fourth proportional to 253,168.40, 379,529.11 and 95,507.57 is: 143,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,168.40 : 379,529.11 = 95,507.57 : x
  2. Step 2: Convert to fraction form
    253,168.40/379,529.11 = 95,507.57/x
  3. Step 3: Cross multiply
    253,168.40x = 379,529.11 × 95,507.57
  4. Step 4: Simplify right side
    253,168.40x = 36,247,903,040.36
  5. Step 5: Solve for x
    x = 36,247,903,040.36/253,168.40
  6. Step 6: Final answer
    x = 143,177.04

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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.