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Finding the Fourth Proportional to 156,967.96, 235,599.92 and 57,224.56

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Solution

The fourth proportional to 156,967.96, 235,599.92 and 57,224.56 is: 85,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.96 : 235,599.92 = 57,224.56 : x
  2. Step 2: Convert to fraction form
    156,967.96/235,599.92 = 57,224.56/x
  3. Step 3: Cross multiply
    156,967.96x = 235,599.92 × 57,224.56
  4. Step 4: Simplify right side
    156,967.96x = 13,482,101,758.04
  5. Step 5: Solve for x
    x = 13,482,101,758.04/156,967.96
  6. Step 6: Final answer
    x = 85,890.79

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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.