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Finding the Fourth Proportional to 224,120.20, 336,180.30 and 83,871.40

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Solution

The fourth proportional to 224,120.20, 336,180.30 and 83,871.40 is: 125,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,120.20 : 336,180.30 = 83,871.40 : x
  2. Step 2: Convert to fraction form
    224,120.20/336,180.30 = 83,871.40/x
  3. Step 3: Cross multiply
    224,120.20x = 336,180.30 × 83,871.40
  4. Step 4: Simplify right side
    224,120.20x = 28,195,912,413.42
  5. Step 5: Solve for x
    x = 28,195,912,413.42/224,120.20
  6. Step 6: Final answer
    x = 125,807.10

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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.