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Finding the Fourth Proportional to 77,393.15, 106,657.93 and 60,370.43

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Solution

The fourth proportional to 77,393.15, 106,657.93 and 60,370.43 is: 83,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,393.15 : 106,657.93 = 60,370.43 : x
  2. Step 2: Convert to fraction form
    77,393.15/106,657.93 = 60,370.43/x
  3. Step 3: Cross multiply
    77,393.15x = 106,657.93 × 60,370.43
  4. Step 4: Simplify right side
    77,393.15x = 6,438,985,097.01
  5. Step 5: Solve for x
    x = 6,438,985,097.01/77,393.15
  6. Step 6: Final answer
    x = 83,198.39

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