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Finding the Fourth Proportional to 150,747.71, 208,030.77 and 82,765.82

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Solution

The fourth proportional to 150,747.71, 208,030.77 and 82,765.82 is: 114,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,747.71 : 208,030.77 = 82,765.82 : x
  2. Step 2: Convert to fraction form
    150,747.71/208,030.77 = 82,765.82/x
  3. Step 3: Cross multiply
    150,747.71x = 208,030.77 × 82,765.82
  4. Step 4: Simplify right side
    150,747.71x = 17,217,837,473.99
  5. Step 5: Solve for x
    x = 17,217,837,473.99/150,747.71
  6. Step 6: Final answer
    x = 114,216.25

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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.