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Finding the Fourth Proportional to 77,051.54, 106,333.23 and 43,517.54

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Solution

The fourth proportional to 77,051.54, 106,333.23 and 43,517.54 is: 60,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,051.54 : 106,333.23 = 43,517.54 : x
  2. Step 2: Convert to fraction form
    77,051.54/106,333.23 = 43,517.54/x
  3. Step 3: Cross multiply
    77,051.54x = 106,333.23 × 43,517.54
  4. Step 4: Simplify right side
    77,051.54x = 4,627,360,589.85
  5. Step 5: Solve for x
    x = 4,627,360,589.85/77,051.54
  6. Step 6: Final answer
    x = 60,055.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.