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Finding the Fourth Proportional to 237,219.80, 355,871.82 and 79,464.20

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Solution

The fourth proportional to 237,219.80, 355,871.82 and 79,464.20 is: 119,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,219.80 : 355,871.82 = 79,464.20 : x
  2. Step 2: Convert to fraction form
    237,219.80/355,871.82 = 79,464.20/x
  3. Step 3: Cross multiply
    237,219.80x = 355,871.82 × 79,464.20
  4. Step 4: Simplify right side
    237,219.80x = 28,279,069,478.84
  5. Step 5: Solve for x
    x = 28,279,069,478.84/237,219.80
  6. Step 6: Final answer
    x = 119,210.41

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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.