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Finding the Fourth Proportional to 181,782.10, 272,738.76 and 63,470.87

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Solution

The fourth proportional to 181,782.10, 272,738.76 and 63,470.87 is: 95,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,782.10 : 272,738.76 = 63,470.87 : x
  2. Step 2: Convert to fraction form
    181,782.10/272,738.76 = 63,470.87/x
  3. Step 3: Cross multiply
    181,782.10x = 272,738.76 × 63,470.87
  4. Step 4: Simplify right side
    181,782.10x = 17,310,966,379.92
  5. Step 5: Solve for x
    x = 17,310,966,379.92/181,782.10
  6. Step 6: Final answer
    x = 95,229.21

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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.