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Finding the Fourth Proportional to 125,907.96, 188,796.78 and 37,150.20

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Solution

The fourth proportional to 125,907.96, 188,796.78 and 37,150.20 is: 55,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,907.96 : 188,796.78 = 37,150.20 : x
  2. Step 2: Convert to fraction form
    125,907.96/188,796.78 = 37,150.20/x
  3. Step 3: Cross multiply
    125,907.96x = 188,796.78 × 37,150.20
  4. Step 4: Simplify right side
    125,907.96x = 7,013,838,136.36
  5. Step 5: Solve for x
    x = 7,013,838,136.36/125,907.96
  6. Step 6: Final answer
    x = 55,706.07

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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.