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Finding the Fourth Proportional to 88,664.83, 122,357.41 and 56,833.71

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Solution

The fourth proportional to 88,664.83, 122,357.41 and 56,833.71 is: 78,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.83 : 122,357.41 = 56,833.71 : x
  2. Step 2: Convert to fraction form
    88,664.83/122,357.41 = 56,833.71/x
  3. Step 3: Cross multiply
    88,664.83x = 122,357.41 × 56,833.71
  4. Step 4: Simplify right side
    88,664.83x = 6,954,025,556.29
  5. Step 5: Solve for x
    x = 6,954,025,556.29/88,664.83
  6. Step 6: Final answer
    x = 78,430.48

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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.