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Finding the Fourth Proportional to 119,807.38, 179,692.02 and 39,838.68

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Solution

The fourth proportional to 119,807.38, 179,692.02 and 39,838.68 is: 59,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,807.38 : 179,692.02 = 39,838.68 : x
  2. Step 2: Convert to fraction form
    119,807.38/179,692.02 = 39,838.68/x
  3. Step 3: Cross multiply
    119,807.38x = 179,692.02 × 39,838.68
  4. Step 4: Simplify right side
    119,807.38x = 7,158,692,883.33
  5. Step 5: Solve for x
    x = 7,158,692,883.33/119,807.38
  6. Step 6: Final answer
    x = 59,751.69

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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.