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Finding the Fourth Proportional to 82,697.22, 114,168.92 and 63,279.63

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Solution

The fourth proportional to 82,697.22, 114,168.92 and 63,279.63 is: 87,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,697.22 : 114,168.92 = 63,279.63 : x
  2. Step 2: Convert to fraction form
    82,697.22/114,168.92 = 63,279.63/x
  3. Step 3: Cross multiply
    82,697.22x = 114,168.92 × 63,279.63
  4. Step 4: Simplify right side
    82,697.22x = 7,224,566,698.70
  5. Step 5: Solve for x
    x = 7,224,566,698.70/82,697.22
  6. Step 6: Final answer
    x = 87,361.66

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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.