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Finding the Fourth Proportional to 83,297.88, 114,950.73 and 45,057.45

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Solution

The fourth proportional to 83,297.88, 114,950.73 and 45,057.45 is: 62,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,297.88 : 114,950.73 = 45,057.45 : x
  2. Step 2: Convert to fraction form
    83,297.88/114,950.73 = 45,057.45/x
  3. Step 3: Cross multiply
    83,297.88x = 114,950.73 × 45,057.45
  4. Step 4: Simplify right side
    83,297.88x = 5,179,386,769.44
  5. Step 5: Solve for x
    x = 5,179,386,769.44/83,297.88
  6. Step 6: Final answer
    x = 62,179.09

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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.