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Finding the Fourth Proportional to 224,503.76, 309,816.84 and 122,529.92

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Solution

The fourth proportional to 224,503.76, 309,816.84 and 122,529.92 is: 169,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,503.76 : 309,816.84 = 122,529.92 : x
  2. Step 2: Convert to fraction form
    224,503.76/309,816.84 = 122,529.92/x
  3. Step 3: Cross multiply
    224,503.76x = 309,816.84 × 122,529.92
  4. Step 4: Simplify right side
    224,503.76x = 37,961,832,619.85
  5. Step 5: Solve for x
    x = 37,961,832,619.85/224,503.76
  6. Step 6: Final answer
    x = 169,092.19

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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.