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Finding the Fourth Proportional to 75,893.92, 104,763.16 and 67,922.30

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Solution

The fourth proportional to 75,893.92, 104,763.16 and 67,922.30 is: 93,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,893.92 : 104,763.16 = 67,922.30 : x
  2. Step 2: Convert to fraction form
    75,893.92/104,763.16 = 67,922.30/x
  3. Step 3: Cross multiply
    75,893.92x = 104,763.16 × 67,922.30
  4. Step 4: Simplify right side
    75,893.92x = 7,115,754,782.47
  5. Step 5: Solve for x
    x = 7,115,754,782.47/75,893.92
  6. Step 6: Final answer
    x = 93,759.22

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1.5x scale

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.