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Finding the Fourth Proportional to 224,512.28, 336,823.86 and 66,740.06

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Solution

The fourth proportional to 224,512.28, 336,823.86 and 66,740.06 is: 100,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,512.28 : 336,823.86 = 66,740.06 : x
  2. Step 2: Convert to fraction form
    224,512.28/336,823.86 = 66,740.06/x
  3. Step 3: Cross multiply
    224,512.28x = 336,823.86 × 66,740.06
  4. Step 4: Simplify right side
    224,512.28x = 22,479,644,625.83
  5. Step 5: Solve for x
    x = 22,479,644,625.83/224,512.28
  6. Step 6: Final answer
    x = 100,126.57

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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.