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Finding the Fourth Proportional to 134,998.60, 202,449.30 and 68,416.60

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Solution

The fourth proportional to 134,998.60, 202,449.30 and 68,416.60 is: 102,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,998.60 : 202,449.30 = 68,416.60 : x
  2. Step 2: Convert to fraction form
    134,998.60/202,449.30 = 68,416.60/x
  3. Step 3: Cross multiply
    134,998.60x = 202,449.30 × 68,416.60
  4. Step 4: Simplify right side
    134,998.60x = 13,850,892,778.38
  5. Step 5: Solve for x
    x = 13,850,892,778.38/134,998.60
  6. Step 6: Final answer
    x = 102,600.27

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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.