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Finding the Fourth Proportional to 225,552.48, 338,222.78 and 130,809.60

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Solution

The fourth proportional to 225,552.48, 338,222.78 and 130,809.60 is: 196,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,552.48 : 338,222.78 = 130,809.60 : x
  2. Step 2: Convert to fraction form
    225,552.48/338,222.78 = 130,809.60/x
  3. Step 3: Cross multiply
    225,552.48x = 338,222.78 × 130,809.60
  4. Step 4: Simplify right side
    225,552.48x = 44,242,785,908.64
  5. Step 5: Solve for x
    x = 44,242,785,908.64/225,552.48
  6. Step 6: Final answer
    x = 196,152.96

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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.