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Finding the Fourth Proportional to 76,166.73, 114,269.81 and 44,603.46

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Solution

The fourth proportional to 76,166.73, 114,269.81 and 44,603.46 is: 66,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,166.73 : 114,269.81 = 44,603.46 : x
  2. Step 2: Convert to fraction form
    76,166.73/114,269.81 = 44,603.46/x
  3. Step 3: Cross multiply
    76,166.73x = 114,269.81 × 44,603.46
  4. Step 4: Simplify right side
    76,166.73x = 5,096,828,899.54
  5. Step 5: Solve for x
    x = 5,096,828,899.54/76,166.73
  6. Step 6: Final answer
    x = 66,916.74

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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.