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Finding the Fourth Proportional to 84,772.44, 116,981.82 and 50,782.32

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Solution

The fourth proportional to 84,772.44, 116,981.82 and 50,782.32 is: 70,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772.44 : 116,981.82 = 50,782.32 : x
  2. Step 2: Convert to fraction form
    84,772.44/116,981.82 = 50,782.32/x
  3. Step 3: Cross multiply
    84,772.44x = 116,981.82 × 50,782.32
  4. Step 4: Simplify right side
    84,772.44x = 5,940,608,217.42
  5. Step 5: Solve for x
    x = 5,940,608,217.42/84,772.44
  6. Step 6: Final answer
    x = 70,077.12

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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.