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Finding the Fourth Proportional to 119,419.80, 179,107.41 and 48,323.82

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Solution

The fourth proportional to 119,419.80, 179,107.41 and 48,323.82 is: 72,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,419.80 : 179,107.41 = 48,323.82 : x
  2. Step 2: Convert to fraction form
    119,419.80/179,107.41 = 48,323.82/x
  3. Step 3: Cross multiply
    119,419.80x = 179,107.41 × 48,323.82
  4. Step 4: Simplify right side
    119,419.80x = 8,655,154,241.51
  5. Step 5: Solve for x
    x = 8,655,154,241.51/119,419.80
  6. Step 6: Final answer
    x = 72,476.71

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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.