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Finding the Fourth Proportional to 117,473.22, 162,114.21 and 63,758.68

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Solution

The fourth proportional to 117,473.22, 162,114.21 and 63,758.68 is: 87,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.22 : 162,114.21 = 63,758.68 : x
  2. Step 2: Convert to fraction form
    117,473.22/162,114.21 = 63,758.68/x
  3. Step 3: Cross multiply
    117,473.22x = 162,114.21 × 63,758.68
  4. Step 4: Simplify right side
    117,473.22x = 10,336,187,633.56
  5. Step 5: Solve for x
    x = 10,336,187,633.56/117,473.22
  6. Step 6: Final answer
    x = 87,987.61

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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.