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Finding the Fourth Proportional to 171,771.24, 237,046.76 and 103,778.76

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Solution

The fourth proportional to 171,771.24, 237,046.76 and 103,778.76 is: 143,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,771.24 : 237,046.76 = 103,778.76 : x
  2. Step 2: Convert to fraction form
    171,771.24/237,046.76 = 103,778.76/x
  3. Step 3: Cross multiply
    171,771.24x = 237,046.76 × 103,778.76
  4. Step 4: Simplify right side
    171,771.24x = 24,600,418,814.82
  5. Step 5: Solve for x
    x = 24,600,418,814.82/171,771.24
  6. Step 6: Final answer
    x = 143,216.17

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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.