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Finding the Fourth Proportional to 207,062.10, 310,600.05 and 57,289.86

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Solution

The fourth proportional to 207,062.10, 310,600.05 and 57,289.86 is: 85,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,062.10 : 310,600.05 = 57,289.86 : x
  2. Step 2: Convert to fraction form
    207,062.10/310,600.05 = 57,289.86/x
  3. Step 3: Cross multiply
    207,062.10x = 310,600.05 × 57,289.86
  4. Step 4: Simplify right side
    207,062.10x = 17,794,233,380.49
  5. Step 5: Solve for x
    x = 17,794,233,380.49/207,062.10
  6. Step 6: Final answer
    x = 85,936.70

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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.