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Finding the Fourth Proportional to 83,497.99, 115,227.06 and 45,772.51

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Solution

The fourth proportional to 83,497.99, 115,227.06 and 45,772.51 is: 63,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,497.99 : 115,227.06 = 45,772.51 : x
  2. Step 2: Convert to fraction form
    83,497.99/115,227.06 = 45,772.51/x
  3. Step 3: Cross multiply
    83,497.99x = 115,227.06 × 45,772.51
  4. Step 4: Simplify right side
    83,497.99x = 5,274,231,756.12
  5. Step 5: Solve for x
    x = 5,274,231,756.12/83,497.99
  6. Step 6: Final answer
    x = 63,165.97

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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.