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Finding the Fourth Proportional to 356,216.88, 534,168.72 and 106,840.56

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Solution

The fourth proportional to 356,216.88, 534,168.72 and 106,840.56 is: 160,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,216.88 : 534,168.72 = 106,840.56 : x
  2. Step 2: Convert to fraction form
    356,216.88/534,168.72 = 106,840.56/x
  3. Step 3: Cross multiply
    356,216.88x = 534,168.72 × 106,840.56
  4. Step 4: Simplify right side
    356,216.88x = 57,070,885,179.28
  5. Step 5: Solve for x
    x = 57,070,885,179.28/356,216.88
  6. Step 6: Final answer
    x = 160,213.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.