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Finding the Fourth Proportional to 125,895.89, 188,843.84 and 51,002.08

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Solution

The fourth proportional to 125,895.89, 188,843.84 and 51,002.08 is: 76,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,895.89 : 188,843.84 = 51,002.08 : x
  2. Step 2: Convert to fraction form
    125,895.89/188,843.84 = 51,002.08/x
  3. Step 3: Cross multiply
    125,895.89x = 188,843.84 × 51,002.08
  4. Step 4: Simplify right side
    125,895.89x = 9,631,428,635.19
  5. Step 5: Solve for x
    x = 9,631,428,635.19/125,895.89
  6. Step 6: Final answer
    x = 76,503.12

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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.