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Finding the Fourth Proportional to 125,763.13, 188,579.77 and 37,005.10

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Solution

The fourth proportional to 125,763.13, 188,579.77 and 37,005.10 is: 55,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,763.13 : 188,579.77 = 37,005.10 : x
  2. Step 2: Convert to fraction form
    125,763.13/188,579.77 = 37,005.10/x
  3. Step 3: Cross multiply
    125,763.13x = 188,579.77 × 37,005.10
  4. Step 4: Simplify right side
    125,763.13x = 6,978,413,847.70
  5. Step 5: Solve for x
    x = 6,978,413,847.70/125,763.13
  6. Step 6: Final answer
    x = 55,488.55

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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.