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Finding the Fourth Proportional to 101,522.70, 152,247.60 and 51,586.20

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Solution

The fourth proportional to 101,522.70, 152,247.60 and 51,586.20 is: 77,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522.70 : 152,247.60 = 51,586.20 : x
  2. Step 2: Convert to fraction form
    101,522.70/152,247.60 = 51,586.20/x
  3. Step 3: Cross multiply
    101,522.70x = 152,247.60 × 51,586.20
  4. Step 4: Simplify right side
    101,522.70x = 7,853,875,143.12
  5. Step 5: Solve for x
    x = 7,853,875,143.12/101,522.70
  6. Step 6: Final answer
    x = 77,360.78

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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.