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Finding the Fourth Proportional to 55,356.86, 82,606.80 and 49,449.98

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Solution

The fourth proportional to 55,356.86, 82,606.80 and 49,449.98 is: 73,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,356.86 : 82,606.80 = 49,449.98 : x
  2. Step 2: Convert to fraction form
    55,356.86/82,606.80 = 49,449.98/x
  3. Step 3: Cross multiply
    55,356.86x = 82,606.80 × 49,449.98
  4. Step 4: Simplify right side
    55,356.86x = 4,084,904,607.86
  5. Step 5: Solve for x
    x = 4,084,904,607.86/55,356.86
  6. Step 6: Final answer
    x = 73,792.20

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.