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Finding the Fourth Proportional to 235,024.48, 352,536.72 and 85,230.78

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Solution

The fourth proportional to 235,024.48, 352,536.72 and 85,230.78 is: 127,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,024.48 : 352,536.72 = 85,230.78 : x
  2. Step 2: Convert to fraction form
    235,024.48/352,536.72 = 85,230.78/x
  3. Step 3: Cross multiply
    235,024.48x = 352,536.72 × 85,230.78
  4. Step 4: Simplify right side
    235,024.48x = 30,046,979,624.24
  5. Step 5: Solve for x
    x = 30,046,979,624.24/235,024.48
  6. Step 6: Final answer
    x = 127,846.17

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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.