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Finding the Fourth Proportional to 202,767.60, 279,808.92 and 113,343.60

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Solution

The fourth proportional to 202,767.60, 279,808.92 and 113,343.60 is: 156,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,767.60 : 279,808.92 = 113,343.60 : x
  2. Step 2: Convert to fraction form
    202,767.60/279,808.92 = 113,343.60/x
  3. Step 3: Cross multiply
    202,767.60x = 279,808.92 × 113,343.60
  4. Step 4: Simplify right side
    202,767.60x = 31,714,550,304.91
  5. Step 5: Solve for x
    x = 31,714,550,304.91/202,767.60
  6. Step 6: Final answer
    x = 156,408.37

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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.