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Finding the Fourth Proportional to 56,678.37, 78,188.58 and 44,015.64

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Solution

The fourth proportional to 56,678.37, 78,188.58 and 44,015.64 is: 60,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,678.37 : 78,188.58 = 44,015.64 : x
  2. Step 2: Convert to fraction form
    56,678.37/78,188.58 = 44,015.64/x
  3. Step 3: Cross multiply
    56,678.37x = 78,188.58 × 44,015.64
  4. Step 4: Simplify right side
    56,678.37x = 3,441,520,389.39
  5. Step 5: Solve for x
    x = 3,441,520,389.39/56,678.37
  6. Step 6: Final answer
    x = 60,720.17

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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.