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Finding the Fourth Proportional to 225,820.71, 310,850.39 and 195,179.83

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Solution

The fourth proportional to 225,820.71, 310,850.39 and 195,179.83 is: 268,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,820.71 : 310,850.39 = 195,179.83 : x
  2. Step 2: Convert to fraction form
    225,820.71/310,850.39 = 195,179.83/x
  3. Step 3: Cross multiply
    225,820.71x = 310,850.39 × 195,179.83
  4. Step 4: Simplify right side
    225,820.71x = 60,671,725,986.46
  5. Step 5: Solve for x
    x = 60,671,725,986.46/225,820.71
  6. Step 6: Final answer
    x = 268,672.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.