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Finding the Fourth Proportional to 156,798.56, 235,202.30 and 38,469.80

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Solution

The fourth proportional to 156,798.56, 235,202.30 and 38,469.80 is: 57,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,798.56 : 235,202.30 = 38,469.80 : x
  2. Step 2: Convert to fraction form
    156,798.56/235,202.30 = 38,469.80/x
  3. Step 3: Cross multiply
    156,798.56x = 235,202.30 × 38,469.80
  4. Step 4: Simplify right side
    156,798.56x = 9,048,185,440.54
  5. Step 5: Solve for x
    x = 9,048,185,440.54/156,798.56
  6. Step 6: Final answer
    x = 57,705.79

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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.