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Finding the Fourth Proportional to 237,869.20, 356,803.80 and 132,893.20

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Solution

The fourth proportional to 237,869.20, 356,803.80 and 132,893.20 is: 199,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,869.20 : 356,803.80 = 132,893.20 : x
  2. Step 2: Convert to fraction form
    237,869.20/356,803.80 = 132,893.20/x
  3. Step 3: Cross multiply
    237,869.20x = 356,803.80 × 132,893.20
  4. Step 4: Simplify right side
    237,869.20x = 47,416,798,754.16
  5. Step 5: Solve for x
    x = 47,416,798,754.16/237,869.20
  6. Step 6: Final answer
    x = 199,339.80

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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.