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Finding the Fourth Proportional to 195,311.70, 292,977.15 and 101,999.70

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Solution

The fourth proportional to 195,311.70, 292,977.15 and 101,999.70 is: 153,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,311.70 : 292,977.15 = 101,999.70 : x
  2. Step 2: Convert to fraction form
    195,311.70/292,977.15 = 101,999.70/x
  3. Step 3: Cross multiply
    195,311.70x = 292,977.15 × 101,999.70
  4. Step 4: Simplify right side
    195,311.70x = 29,883,581,406.86
  5. Step 5: Solve for x
    x = 29,883,581,406.86/195,311.70
  6. Step 6: Final answer
    x = 153,004.56

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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.