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Finding the Fourth Proportional to 251,877.52, 347,478.52 and 170,179.40

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Solution

The fourth proportional to 251,877.52, 347,478.52 and 170,179.40 is: 234,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,877.52 : 347,478.52 = 170,179.40 : x
  2. Step 2: Convert to fraction form
    251,877.52/347,478.52 = 170,179.40/x
  3. Step 3: Cross multiply
    251,877.52x = 347,478.52 × 170,179.40
  4. Step 4: Simplify right side
    251,877.52x = 59,133,686,046.49
  5. Step 5: Solve for x
    x = 59,133,686,046.49/251,877.52
  6. Step 6: Final answer
    x = 234,771.59

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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.