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Finding the Fourth Proportional to 251,866.84, 347,463.90 and 170,168.88

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Solution

The fourth proportional to 251,866.84, 347,463.90 and 170,168.88 is: 234,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,866.84 : 347,463.90 = 170,168.88 : x
  2. Step 2: Convert to fraction form
    251,866.84/347,463.90 = 170,168.88/x
  3. Step 3: Cross multiply
    251,866.84x = 347,463.90 × 170,168.88
  4. Step 4: Simplify right side
    251,866.84x = 59,127,542,703.43
  5. Step 5: Solve for x
    x = 59,127,542,703.43/251,866.84
  6. Step 6: Final answer
    x = 234,757.15

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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.