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Finding the Fourth Proportional to 112,175.52, 154,796.40 and 69,733.32

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Solution

The fourth proportional to 112,175.52, 154,796.40 and 69,733.32 is: 96,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.52 : 154,796.40 = 69,733.32 : x
  2. Step 2: Convert to fraction form
    112,175.52/154,796.40 = 69,733.32/x
  3. Step 3: Cross multiply
    112,175.52x = 154,796.40 × 69,733.32
  4. Step 4: Simplify right side
    112,175.52x = 10,794,466,896.05
  5. Step 5: Solve for x
    x = 10,794,466,896.05/112,175.52
  6. Step 6: Final answer
    x = 96,228.37

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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.