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Finding the Fourth Proportional to 237,530.34, 356,328.30 and 79,803.90

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Solution

The fourth proportional to 237,530.34, 356,328.30 and 79,803.90 is: 119,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,530.34 : 356,328.30 = 79,803.90 : x
  2. Step 2: Convert to fraction form
    237,530.34/356,328.30 = 79,803.90/x
  3. Step 3: Cross multiply
    237,530.34x = 356,328.30 × 79,803.90
  4. Step 4: Simplify right side
    237,530.34x = 28,436,388,020.37
  5. Step 5: Solve for x
    x = 28,436,388,020.37/237,530.34
  6. Step 6: Final answer
    x = 119,716.87

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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.