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Finding the Fourth Proportional to 205,114.80, 307,716.72 and 62,960.64

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Solution

The fourth proportional to 205,114.80, 307,716.72 and 62,960.64 is: 94,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,114.80 : 307,716.72 = 62,960.64 : x
  2. Step 2: Convert to fraction form
    205,114.80/307,716.72 = 62,960.64/x
  3. Step 3: Cross multiply
    205,114.80x = 307,716.72 × 62,960.64
  4. Step 4: Simplify right side
    205,114.80x = 19,374,041,629.90
  5. Step 5: Solve for x
    x = 19,374,041,629.90/205,114.80
  6. Step 6: Final answer
    x = 94,454.63

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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.