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Finding the Fourth Proportional to 135,753.16, 203,621.40 and 60,853.16

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Solution

The fourth proportional to 135,753.16, 203,621.40 and 60,853.16 is: 91,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.16 : 203,621.40 = 60,853.16 : x
  2. Step 2: Convert to fraction form
    135,753.16/203,621.40 = 60,853.16/x
  3. Step 3: Cross multiply
    135,753.16x = 203,621.40 × 60,853.16
  4. Step 4: Simplify right side
    135,753.16x = 12,391,005,633.62
  5. Step 5: Solve for x
    x = 12,391,005,633.62/135,753.16
  6. Step 6: Final answer
    x = 91,276.00

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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.