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Finding the Fourth Proportional to 229,251.48, 343,892.40 and 60,769.45

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Solution

The fourth proportional to 229,251.48, 343,892.40 and 60,769.45 is: 91,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,251.48 : 343,892.40 = 60,769.45 : x
  2. Step 2: Convert to fraction form
    229,251.48/343,892.40 = 60,769.45/x
  3. Step 3: Cross multiply
    229,251.48x = 343,892.40 × 60,769.45
  4. Step 4: Simplify right side
    229,251.48x = 20,898,152,007.18
  5. Step 5: Solve for x
    x = 20,898,152,007.18/229,251.48
  6. Step 6: Final answer
    x = 91,158.20

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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.