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Finding the Fourth Proportional to 332,866.72, 459,356.10 and 181,963.72

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Solution

The fourth proportional to 332,866.72, 459,356.10 and 181,963.72 is: 251,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,866.72 : 459,356.10 = 181,963.72 : x
  2. Step 2: Convert to fraction form
    332,866.72/459,356.10 = 181,963.72/x
  3. Step 3: Cross multiply
    332,866.72x = 459,356.10 × 181,963.72
  4. Step 4: Simplify right side
    332,866.72x = 83,586,144,760.69
  5. Step 5: Solve for x
    x = 83,586,144,760.69/332,866.72
  6. Step 6: Final answer
    x = 251,109.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.