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Finding the Fourth Proportional to 84,656.25, 116,843.85 and 50,672.32

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Solution

The fourth proportional to 84,656.25, 116,843.85 and 50,672.32 is: 69,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.25 : 116,843.85 = 50,672.32 : x
  2. Step 2: Convert to fraction form
    84,656.25/116,843.85 = 50,672.32/x
  3. Step 3: Cross multiply
    84,656.25x = 116,843.85 × 50,672.32
  4. Step 4: Simplify right side
    84,656.25x = 5,920,748,665.12
  5. Step 5: Solve for x
    x = 5,920,748,665.12/84,656.25
  6. Step 6: Final answer
    x = 69,938.71

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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.