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Finding the Fourth Proportional to 131,089.92, 196,600.32 and 37,600.80

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Solution

The fourth proportional to 131,089.92, 196,600.32 and 37,600.80 is: 56,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,089.92 : 196,600.32 = 37,600.80 : x
  2. Step 2: Convert to fraction form
    131,089.92/196,600.32 = 37,600.80/x
  3. Step 3: Cross multiply
    131,089.92x = 196,600.32 × 37,600.80
  4. Step 4: Simplify right side
    131,089.92x = 7,392,329,312.26
  5. Step 5: Solve for x
    x = 7,392,329,312.26/131,089.92
  6. Step 6: Final answer
    x = 56,391.29

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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.