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Finding the Fourth Proportional to 237,643.20, 356,659.20 and 229,867.20

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Solution

The fourth proportional to 237,643.20, 356,659.20 and 229,867.20 is: 344,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,643.20 : 356,659.20 = 229,867.20 : x
  2. Step 2: Convert to fraction form
    237,643.20/356,659.20 = 229,867.20/x
  3. Step 3: Cross multiply
    237,643.20x = 356,659.20 × 229,867.20
  4. Step 4: Simplify right side
    237,643.20x = 81,984,251,658.24
  5. Step 5: Solve for x
    x = 81,984,251,658.24/237,643.20
  6. Step 6: Final answer
    x = 344,988.84

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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.