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Finding the Fourth Proportional to 130,626.59, 196,027.16 and 47,520.59

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Solution

The fourth proportional to 130,626.59, 196,027.16 and 47,520.59 is: 71,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,626.59 : 196,027.16 = 47,520.59 : x
  2. Step 2: Convert to fraction form
    130,626.59/196,027.16 = 47,520.59/x
  3. Step 3: Cross multiply
    130,626.59x = 196,027.16 × 47,520.59
  4. Step 4: Simplify right side
    130,626.59x = 9,315,325,081.49
  5. Step 5: Solve for x
    x = 9,315,325,081.49/130,626.59
  6. Step 6: Final answer
    x = 71,312.63

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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.