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Finding the Fourth Proportional to 133,616.40, 200,424.60 and 124,803.60

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Solution

The fourth proportional to 133,616.40, 200,424.60 and 124,803.60 is: 187,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,616.40 : 200,424.60 = 124,803.60 : x
  2. Step 2: Convert to fraction form
    133,616.40/200,424.60 = 124,803.60/x
  3. Step 3: Cross multiply
    133,616.40x = 200,424.60 × 124,803.60
  4. Step 4: Simplify right side
    133,616.40x = 25,013,711,608.56
  5. Step 5: Solve for x
    x = 25,013,711,608.56/133,616.40
  6. Step 6: Final answer
    x = 187,205.40

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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.