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Finding the Fourth Proportional to 168,820.88, 253,268.76 and 63,640.76

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Solution

The fourth proportional to 168,820.88, 253,268.76 and 63,640.76 is: 95,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,820.88 : 253,268.76 = 63,640.76 : x
  2. Step 2: Convert to fraction form
    168,820.88/253,268.76 = 63,640.76/x
  3. Step 3: Cross multiply
    168,820.88x = 253,268.76 × 63,640.76
  4. Step 4: Simplify right side
    168,820.88x = 16,118,216,370.66
  5. Step 5: Solve for x
    x = 16,118,216,370.66/168,820.88
  6. Step 6: Final answer
    x = 95,475.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.