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Finding the Fourth Proportional to 108,752.76, 150,067.08 and 62,809.56

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Solution

The fourth proportional to 108,752.76, 150,067.08 and 62,809.56 is: 86,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,752.76 : 150,067.08 = 62,809.56 : x
  2. Step 2: Convert to fraction form
    108,752.76/150,067.08 = 62,809.56/x
  3. Step 3: Cross multiply
    108,752.76x = 150,067.08 × 62,809.56
  4. Step 4: Simplify right side
    108,752.76x = 9,425,647,265.28
  5. Step 5: Solve for x
    x = 9,425,647,265.28/108,752.76
  6. Step 6: Final answer
    x = 86,670.42

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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.