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Finding the Fourth Proportional to 125,677.94, 188,476.95 and 41,422.40

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Solution

The fourth proportional to 125,677.94, 188,476.95 and 41,422.40 is: 62,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,677.94 : 188,476.95 = 41,422.40 : x
  2. Step 2: Convert to fraction form
    125,677.94/188,476.95 = 41,422.40/x
  3. Step 3: Cross multiply
    125,677.94x = 188,476.95 × 41,422.40
  4. Step 4: Simplify right side
    125,677.94x = 7,807,167,613.68
  5. Step 5: Solve for x
    x = 7,807,167,613.68/125,677.94
  6. Step 6: Final answer
    x = 62,120.43

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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.