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Finding the Fourth Proportional to 119,893.70, 179,869.51 and 45,014.66

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Solution

The fourth proportional to 119,893.70, 179,869.51 and 45,014.66 is: 67,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,893.70 : 179,869.51 = 45,014.66 : x
  2. Step 2: Convert to fraction form
    119,893.70/179,869.51 = 45,014.66/x
  3. Step 3: Cross multiply
    119,893.70x = 179,869.51 × 45,014.66
  4. Step 4: Simplify right side
    119,893.70x = 8,096,764,837.02
  5. Step 5: Solve for x
    x = 8,096,764,837.02/119,893.70
  6. Step 6: Final answer
    x = 67,532.86

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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.