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Finding the Fourth Proportional to 125,860.98, 188,787.15 and 37,110.90

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Solution

The fourth proportional to 125,860.98, 188,787.15 and 37,110.90 is: 55,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,860.98 : 188,787.15 = 37,110.90 : x
  2. Step 2: Convert to fraction form
    125,860.98/188,787.15 = 37,110.90/x
  3. Step 3: Cross multiply
    125,860.98x = 188,787.15 × 37,110.90
  4. Step 4: Simplify right side
    125,860.98x = 7,006,061,044.94
  5. Step 5: Solve for x
    x = 7,006,061,044.94/125,860.98
  6. Step 6: Final answer
    x = 55,665.08

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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.