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Finding the Fourth Proportional to 225,064.80, 337,648.40 and 131,522.40

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Solution

The fourth proportional to 225,064.80, 337,648.40 and 131,522.40 is: 197,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,064.80 : 337,648.40 = 131,522.40 : x
  2. Step 2: Convert to fraction form
    225,064.80/337,648.40 = 131,522.40/x
  3. Step 3: Cross multiply
    225,064.80x = 337,648.40 × 131,522.40
  4. Step 4: Simplify right side
    225,064.80x = 44,408,327,924.16
  5. Step 5: Solve for x
    x = 44,408,327,924.16/225,064.80
  6. Step 6: Final answer
    x = 197,313.52

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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.