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Finding the Fourth Proportional to 132,357.72, 182,696.22 and 84,739.32

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Solution

The fourth proportional to 132,357.72, 182,696.22 and 84,739.32 is: 116,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.72 : 182,696.22 = 84,739.32 : x
  2. Step 2: Convert to fraction form
    132,357.72/182,696.22 = 84,739.32/x
  3. Step 3: Cross multiply
    132,357.72x = 182,696.22 × 84,739.32
  4. Step 4: Simplify right side
    132,357.72x = 15,481,553,449.37
  5. Step 5: Solve for x
    x = 15,481,553,449.37/132,357.72
  6. Step 6: Final answer
    x = 116,967.51

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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.