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Finding the Fourth Proportional to 125,475.69, 188,237.66 and 50,603.42

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Solution

The fourth proportional to 125,475.69, 188,237.66 and 50,603.42 is: 75,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,475.69 : 188,237.66 = 50,603.42 : x
  2. Step 2: Convert to fraction form
    125,475.69/188,237.66 = 50,603.42/x
  3. Step 3: Cross multiply
    125,475.69x = 188,237.66 × 50,603.42
  4. Step 4: Simplify right side
    125,475.69x = 9,525,468,174.59
  5. Step 5: Solve for x
    x = 9,525,468,174.59/125,475.69
  6. Step 6: Final answer
    x = 75,914.85

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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.