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Finding the Fourth Proportional to 55,445.86, 83,224.86 and 49,160.98

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Solution

The fourth proportional to 55,445.86, 83,224.86 and 49,160.98 is: 73,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.86 : 83,224.86 = 49,160.98 : x
  2. Step 2: Convert to fraction form
    55,445.86/83,224.86 = 49,160.98/x
  3. Step 3: Cross multiply
    55,445.86x = 83,224.86 × 49,160.98
  4. Step 4: Simplify right side
    55,445.86x = 4,091,415,677.96
  5. Step 5: Solve for x
    x = 4,091,415,677.96/55,445.86
  6. Step 6: Final answer
    x = 73,791.18

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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.