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Finding the Fourth Proportional to 147,714.12, 203,844.44 and 80,646.12

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Solution

The fourth proportional to 147,714.12, 203,844.44 and 80,646.12 is: 111,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,714.12 : 203,844.44 = 80,646.12 : x
  2. Step 2: Convert to fraction form
    147,714.12/203,844.44 = 80,646.12/x
  3. Step 3: Cross multiply
    147,714.12x = 203,844.44 × 80,646.12
  4. Step 4: Simplify right side
    147,714.12x = 16,439,263,169.57
  5. Step 5: Solve for x
    x = 16,439,263,169.57/147,714.12
  6. Step 6: Final answer
    x = 111,291.07

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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.