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Finding the Fourth Proportional to 85,562.86, 118,091.34 and 49,773.64

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Solution

The fourth proportional to 85,562.86, 118,091.34 and 49,773.64 is: 68,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562.86 : 118,091.34 = 49,773.64 : x
  2. Step 2: Convert to fraction form
    85,562.86/118,091.34 = 49,773.64/x
  3. Step 3: Cross multiply
    85,562.86x = 118,091.34 × 49,773.64
  4. Step 4: Simplify right side
    85,562.86x = 5,877,835,844.28
  5. Step 5: Solve for x
    x = 5,877,835,844.28/85,562.86
  6. Step 6: Final answer
    x = 68,696.11

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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.