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Finding the Fourth Proportional to 135,240.64, 202,882.80 and 56,362.80

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Solution

The fourth proportional to 135,240.64, 202,882.80 and 56,362.80 is: 84,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,240.64 : 202,882.80 = 56,362.80 : x
  2. Step 2: Convert to fraction form
    135,240.64/202,882.80 = 56,362.80/x
  3. Step 3: Cross multiply
    135,240.64x = 202,882.80 × 56,362.80
  4. Step 4: Simplify right side
    135,240.64x = 11,435,042,679.84
  5. Step 5: Solve for x
    x = 11,435,042,679.84/135,240.64
  6. Step 6: Final answer
    x = 84,553.30

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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.