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Finding the Fourth Proportional to 132,816.60, 199,224.90 and 58,021.20

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Solution

The fourth proportional to 132,816.60, 199,224.90 and 58,021.20 is: 87,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.60 : 199,224.90 = 58,021.20 : x
  2. Step 2: Convert to fraction form
    132,816.60/199,224.90 = 58,021.20/x
  3. Step 3: Cross multiply
    132,816.60x = 199,224.90 × 58,021.20
  4. Step 4: Simplify right side
    132,816.60x = 11,559,267,767.88
  5. Step 5: Solve for x
    x = 11,559,267,767.88/132,816.60
  6. Step 6: Final answer
    x = 87,031.80

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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.