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Finding the Fourth Proportional to 224,041.44, 336,125.52 and 66,269.28

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Solution

The fourth proportional to 224,041.44, 336,125.52 and 66,269.28 is: 99,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,041.44 : 336,125.52 = 66,269.28 : x
  2. Step 2: Convert to fraction form
    224,041.44/336,125.52 = 66,269.28/x
  3. Step 3: Cross multiply
    224,041.44x = 336,125.52 × 66,269.28
  4. Step 4: Simplify right side
    224,041.44x = 22,274,796,200.03
  5. Step 5: Solve for x
    x = 22,274,796,200.03/224,041.44
  6. Step 6: Final answer
    x = 99,422.66

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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.