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Finding the Fourth Proportional to 248,434.97, 342,793.01 and 157,805.69

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Solution

The fourth proportional to 248,434.97, 342,793.01 and 157,805.69 is: 217,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,434.97 : 342,793.01 = 157,805.69 : x
  2. Step 2: Convert to fraction form
    248,434.97/342,793.01 = 157,805.69/x
  3. Step 3: Cross multiply
    248,434.97x = 342,793.01 × 157,805.69
  4. Step 4: Simplify right side
    248,434.97x = 54,094,686,150.78
  5. Step 5: Solve for x
    x = 54,094,686,150.78/248,434.97
  6. Step 6: Final answer
    x = 217,741.84

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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.