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Finding the Fourth Proportional to 84,367.86, 116,422.65 and 46,639.86

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Solution

The fourth proportional to 84,367.86, 116,422.65 and 46,639.86 is: 64,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.86 : 116,422.65 = 46,639.86 : x
  2. Step 2: Convert to fraction form
    84,367.86/116,422.65 = 46,639.86/x
  3. Step 3: Cross multiply
    84,367.86x = 116,422.65 × 46,639.86
  4. Step 4: Simplify right side
    84,367.86x = 5,429,936,096.83
  5. Step 5: Solve for x
    x = 5,429,936,096.83/84,367.86
  6. Step 6: Final answer
    x = 64,360.24

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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.