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Finding the Fourth Proportional to 125,362.83, 188,062.12 and 41,129.57

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Solution

The fourth proportional to 125,362.83, 188,062.12 and 41,129.57 is: 61,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,362.83 : 188,062.12 = 41,129.57 : x
  2. Step 2: Convert to fraction form
    125,362.83/188,062.12 = 41,129.57/x
  3. Step 3: Cross multiply
    125,362.83x = 188,062.12 × 41,129.57
  4. Step 4: Simplify right side
    125,362.83x = 7,734,914,128.89
  5. Step 5: Solve for x
    x = 7,734,914,128.89/125,362.83
  6. Step 6: Final answer
    x = 61,700.22

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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.