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Finding the Fourth Proportional to 119,372.56, 179,070.56 and 43,491.76

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Solution

The fourth proportional to 119,372.56, 179,070.56 and 43,491.76 is: 65,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,372.56 : 179,070.56 = 43,491.76 : x
  2. Step 2: Convert to fraction form
    119,372.56/179,070.56 = 43,491.76/x
  3. Step 3: Cross multiply
    119,372.56x = 179,070.56 × 43,491.76
  4. Step 4: Simplify right side
    119,372.56x = 7,788,093,818.59
  5. Step 5: Solve for x
    x = 7,788,093,818.59/119,372.56
  6. Step 6: Final answer
    x = 65,241.91

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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.