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Finding the Fourth Proportional to 125,043.94, 187,585.40 and 41,918.50

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Solution

The fourth proportional to 125,043.94, 187,585.40 and 41,918.50 is: 62,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,043.94 : 187,585.40 = 41,918.50 : x
  2. Step 2: Convert to fraction form
    125,043.94/187,585.40 = 41,918.50/x
  3. Step 3: Cross multiply
    125,043.94x = 187,585.40 × 41,918.50
  4. Step 4: Simplify right side
    125,043.94x = 7,863,298,589.90
  5. Step 5: Solve for x
    x = 7,863,298,589.90/125,043.94
  6. Step 6: Final answer
    x = 62,884.28

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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.