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Finding the Fourth Proportional to 125,487.16, 188,216.97 and 36,741.53

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Solution

The fourth proportional to 125,487.16, 188,216.97 and 36,741.53 is: 55,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,487.16 : 188,216.97 = 36,741.53 : x
  2. Step 2: Convert to fraction form
    125,487.16/188,216.97 = 36,741.53/x
  3. Step 3: Cross multiply
    125,487.16x = 188,216.97 × 36,741.53
  4. Step 4: Simplify right side
    125,487.16x = 6,915,379,782.53
  5. Step 5: Solve for x
    x = 6,915,379,782.53/125,487.16
  6. Step 6: Final answer
    x = 55,108.27

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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.