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Finding the Fourth Proportional to 193,852.80, 267,278.40 and 157,910.40

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Solution

The fourth proportional to 193,852.80, 267,278.40 and 157,910.40 is: 217,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,852.80 : 267,278.40 = 157,910.40 : x
  2. Step 2: Convert to fraction form
    193,852.80/267,278.40 = 157,910.40/x
  3. Step 3: Cross multiply
    193,852.80x = 267,278.40 × 157,910.40
  4. Step 4: Simplify right side
    193,852.80x = 42,206,039,055.36
  5. Step 5: Solve for x
    x = 42,206,039,055.36/193,852.80
  6. Step 6: Final answer
    x = 217,722.10

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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.