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Finding the Fourth Proportional to 229,299.39, 342,405.02 and 187,262.92

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Solution

The fourth proportional to 229,299.39, 342,405.02 and 187,262.92 is: 279,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,299.39 : 342,405.02 = 187,262.92 : x
  2. Step 2: Convert to fraction form
    229,299.39/342,405.02 = 187,262.92/x
  3. Step 3: Cross multiply
    229,299.39x = 342,405.02 × 187,262.92
  4. Step 4: Simplify right side
    229,299.39x = 64,119,763,867.86
  5. Step 5: Solve for x
    x = 64,119,763,867.86/229,299.39
  6. Step 6: Final answer
    x = 279,633.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.