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Finding the Fourth Proportional to 88,682.78, 122,386.22 and 49,933.94

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Solution

The fourth proportional to 88,682.78, 122,386.22 and 49,933.94 is: 68,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.78 : 122,386.22 = 49,933.94 : x
  2. Step 2: Convert to fraction form
    88,682.78/122,386.22 = 49,933.94/x
  3. Step 3: Cross multiply
    88,682.78x = 122,386.22 × 49,933.94
  4. Step 4: Simplify right side
    88,682.78x = 6,111,226,166.31
  5. Step 5: Solve for x
    x = 6,111,226,166.31/88,682.78
  6. Step 6: Final answer
    x = 68,911.08

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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.