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Finding the Fourth Proportional to 235,049.66, 352,714.58 and 85,301.64

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Solution

The fourth proportional to 235,049.66, 352,714.58 and 85,301.64 is: 128,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,049.66 : 352,714.58 = 85,301.64 : x
  2. Step 2: Convert to fraction form
    235,049.66/352,714.58 = 85,301.64/x
  3. Step 3: Cross multiply
    235,049.66x = 352,714.58 × 85,301.64
  4. Step 4: Simplify right side
    235,049.66x = 30,087,132,125.91
  5. Step 5: Solve for x
    x = 30,087,132,125.91/235,049.66
  6. Step 6: Final answer
    x = 128,003.30

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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.