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Finding the Fourth Proportional to 125,356.08, 187,914.24 and 46,449.12

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Solution

The fourth proportional to 125,356.08, 187,914.24 and 46,449.12 is: 69,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,356.08 : 187,914.24 = 46,449.12 : x
  2. Step 2: Convert to fraction form
    125,356.08/187,914.24 = 46,449.12/x
  3. Step 3: Cross multiply
    125,356.08x = 187,914.24 × 46,449.12
  4. Step 4: Simplify right side
    125,356.08x = 8,728,451,083.47
  5. Step 5: Solve for x
    x = 8,728,451,083.47/125,356.08
  6. Step 6: Final answer
    x = 69,629.26

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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.