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Finding the Fourth Proportional to 237,424.60, 356,021.70 and 132,131.80

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Solution

The fourth proportional to 237,424.60, 356,021.70 and 132,131.80 is: 198,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,424.60 : 356,021.70 = 132,131.80 : x
  2. Step 2: Convert to fraction form
    237,424.60/356,021.70 = 132,131.80/x
  3. Step 3: Cross multiply
    237,424.60x = 356,021.70 × 132,131.80
  4. Step 4: Simplify right side
    237,424.60x = 47,041,788,060.06
  5. Step 5: Solve for x
    x = 47,041,788,060.06/237,424.60
  6. Step 6: Final answer
    x = 198,133.59

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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.