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Finding the Fourth Proportional to 156,670.56, 235,005.90 and 45,862.56

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Solution

The fourth proportional to 156,670.56, 235,005.90 and 45,862.56 is: 68,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670.56 : 235,005.90 = 45,862.56 : x
  2. Step 2: Convert to fraction form
    156,670.56/235,005.90 = 45,862.56/x
  3. Step 3: Cross multiply
    156,670.56x = 235,005.90 × 45,862.56
  4. Step 4: Simplify right side
    156,670.56x = 10,777,972,189.10
  5. Step 5: Solve for x
    x = 10,777,972,189.10/156,670.56
  6. Step 6: Final answer
    x = 68,793.86

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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.