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Finding the Fourth Proportional to 83,510.02, 115,251.06 and 45,791.56

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Solution

The fourth proportional to 83,510.02, 115,251.06 and 45,791.56 is: 63,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,510.02 : 115,251.06 = 45,791.56 : x
  2. Step 2: Convert to fraction form
    83,510.02/115,251.06 = 45,791.56/x
  3. Step 3: Cross multiply
    83,510.02x = 115,251.06 × 45,791.56
  4. Step 4: Simplify right side
    83,510.02x = 5,277,525,829.05
  5. Step 5: Solve for x
    x = 5,277,525,829.05/83,510.02
  6. Step 6: Final answer
    x = 63,196.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.