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Finding the Fourth Proportional to 84,382.75, 116,451.84 and 46,657

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Solution

The fourth proportional to 84,382.75, 116,451.84 and 46,657 is: 64,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,382.75 : 116,451.84 = 46,657 : x
  2. Step 2: Convert to fraction form
    84,382.75/116,451.84 = 46,657/x
  3. Step 3: Cross multiply
    84,382.75x = 116,451.84 × 46,657
  4. Step 4: Simplify right side
    84,382.75x = 5,433,293,498.88
  5. Step 5: Solve for x
    x = 5,433,293,498.88/84,382.75
  6. Step 6: Final answer
    x = 64,388.68

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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.