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Finding the Fourth Proportional to 224,565.99, 309,887.91 and 122,571.24

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Solution

The fourth proportional to 224,565.99, 309,887.91 and 122,571.24 is: 169,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,565.99 : 309,887.91 = 122,571.24 : x
  2. Step 2: Convert to fraction form
    224,565.99/309,887.91 = 122,571.24/x
  3. Step 3: Cross multiply
    224,565.99x = 309,887.91 × 122,571.24
  4. Step 4: Simplify right side
    224,565.99x = 37,983,345,389.71
  5. Step 5: Solve for x
    x = 37,983,345,389.71/224,565.99
  6. Step 6: Final answer
    x = 169,141.13

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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.