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Finding the Fourth Proportional to 207,730, 311,563.41 and 57,954.52

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Solution

The fourth proportional to 207,730, 311,563.41 and 57,954.52 is: 86,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,730 : 311,563.41 = 57,954.52 : x
  2. Step 2: Convert to fraction form
    207,730/311,563.41 = 57,954.52/x
  3. Step 3: Cross multiply
    207,730x = 311,563.41 × 57,954.52
  4. Step 4: Simplify right side
    207,730x = 18,056,507,876.11
  5. Step 5: Solve for x
    x = 18,056,507,876.11/207,730
  6. Step 6: Final answer
    x = 86,922.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.