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Finding the Fourth Proportional to 160,201.48, 240,299.92 and 47,879.20

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Solution

The fourth proportional to 160,201.48, 240,299.92 and 47,879.20 is: 71,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,201.48 : 240,299.92 = 47,879.20 : x
  2. Step 2: Convert to fraction form
    160,201.48/240,299.92 = 47,879.20/x
  3. Step 3: Cross multiply
    160,201.48x = 240,299.92 × 47,879.20
  4. Step 4: Simplify right side
    160,201.48x = 11,505,367,929.66
  5. Step 5: Solve for x
    x = 11,505,367,929.66/160,201.48
  6. Step 6: Final answer
    x = 71,818.11

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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.