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Finding the Fourth Proportional to 125,670.96, 188,640.73 and 50,840.02

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Solution

The fourth proportional to 125,670.96, 188,640.73 and 50,840.02 is: 76,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.96 : 188,640.73 = 50,840.02 : x
  2. Step 2: Convert to fraction form
    125,670.96/188,640.73 = 50,840.02/x
  3. Step 3: Cross multiply
    125,670.96x = 188,640.73 × 50,840.02
  4. Step 4: Simplify right side
    125,670.96x = 9,590,497,887.31
  5. Step 5: Solve for x
    x = 9,590,497,887.31/125,670.96
  6. Step 6: Final answer
    x = 76,314.35

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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.