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Finding the Fourth Proportional to 79,737.63, 119,374.79 and 46,355.91

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Solution

The fourth proportional to 79,737.63, 119,374.79 and 46,355.91 is: 69,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,737.63 : 119,374.79 = 46,355.91 : x
  2. Step 2: Convert to fraction form
    79,737.63/119,374.79 = 46,355.91/x
  3. Step 3: Cross multiply
    79,737.63x = 119,374.79 × 46,355.91
  4. Step 4: Simplify right side
    79,737.63x = 5,533,726,789.73
  5. Step 5: Solve for x
    x = 5,533,726,789.73/79,737.63
  6. Step 6: Final answer
    x = 69,399.19

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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.