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Finding the Fourth Proportional to 229,151.80, 343,727.70 and 154,502.20

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Solution

The fourth proportional to 229,151.80, 343,727.70 and 154,502.20 is: 231,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,151.80 : 343,727.70 = 154,502.20 : x
  2. Step 2: Convert to fraction form
    229,151.80/343,727.70 = 154,502.20/x
  3. Step 3: Cross multiply
    229,151.80x = 343,727.70 × 154,502.20
  4. Step 4: Simplify right side
    229,151.80x = 53,106,685,850.94
  5. Step 5: Solve for x
    x = 53,106,685,850.94/229,151.80
  6. Step 6: Final answer
    x = 231,753.30

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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.