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Finding the Fourth Proportional to 60,553.80, 90,846.90 and 43,057.80

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Solution

The fourth proportional to 60,553.80, 90,846.90 and 43,057.80 is: 64,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,553.80 : 90,846.90 = 43,057.80 : x
  2. Step 2: Convert to fraction form
    60,553.80/90,846.90 = 43,057.80/x
  3. Step 3: Cross multiply
    60,553.80x = 90,846.90 × 43,057.80
  4. Step 4: Simplify right side
    60,553.80x = 3,911,667,650.82
  5. Step 5: Solve for x
    x = 3,911,667,650.82/60,553.80
  6. Step 6: Final answer
    x = 64,598.22

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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.