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Finding the Fourth Proportional to 125,367.48, 187,919.10 and 41,105.66

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Solution

The fourth proportional to 125,367.48, 187,919.10 and 41,105.66 is: 61,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,367.48 : 187,919.10 = 41,105.66 : x
  2. Step 2: Convert to fraction form
    125,367.48/187,919.10 = 41,105.66/x
  3. Step 3: Cross multiply
    125,367.48x = 187,919.10 × 41,105.66
  4. Step 4: Simplify right side
    125,367.48x = 7,724,537,692.51
  5. Step 5: Solve for x
    x = 7,724,537,692.51/125,367.48
  6. Step 6: Final answer
    x = 61,615.16

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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.