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Finding the Fourth Proportional to 235,049.63, 352,714.54 and 85,301.62

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Solution

The fourth proportional to 235,049.63, 352,714.54 and 85,301.62 is: 128,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,049.63 : 352,714.54 = 85,301.62 : x
  2. Step 2: Convert to fraction form
    235,049.63/352,714.54 = 85,301.62/x
  3. Step 3: Cross multiply
    235,049.63x = 352,714.54 × 85,301.62
  4. Step 4: Simplify right side
    235,049.63x = 30,087,121,659.55
  5. Step 5: Solve for x
    x = 30,087,121,659.55/235,049.63
  6. Step 6: Final answer
    x = 128,003.27

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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.