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Finding the Fourth Proportional to 125,919.46, 188,879.19 and 41,656.93

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Solution

The fourth proportional to 125,919.46, 188,879.19 and 41,656.93 is: 62,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,919.46 : 188,879.19 = 41,656.93 : x
  2. Step 2: Convert to fraction form
    125,919.46/188,879.19 = 41,656.93/x
  3. Step 3: Cross multiply
    125,919.46x = 188,879.19 × 41,656.93
  4. Step 4: Simplify right side
    125,919.46x = 7,868,127,864.64
  5. Step 5: Solve for x
    x = 7,868,127,864.64/125,919.46
  6. Step 6: Final answer
    x = 62,485.40

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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.