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Finding the Fourth Proportional to 224,215.94, 336,266.42 and 66,407.49

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Solution

The fourth proportional to 224,215.94, 336,266.42 and 66,407.49 is: 99,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,215.94 : 336,266.42 = 66,407.49 : x
  2. Step 2: Convert to fraction form
    224,215.94/336,266.42 = 66,407.49/x
  3. Step 3: Cross multiply
    224,215.94x = 336,266.42 × 66,407.49
  4. Step 4: Simplify right side
    224,215.94x = 22,330,608,591.45
  5. Step 5: Solve for x
    x = 22,330,608,591.45/224,215.94
  6. Step 6: Final answer
    x = 99,594.21

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1.5x scale

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.