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Finding the Fourth Proportional to 160,601.76, 240,891.12 and 49,790.88

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Solution

The fourth proportional to 160,601.76, 240,891.12 and 49,790.88 is: 74,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,601.76 : 240,891.12 = 49,790.88 : x
  2. Step 2: Convert to fraction form
    160,601.76/240,891.12 = 49,790.88/x
  3. Step 3: Cross multiply
    160,601.76x = 240,891.12 × 49,790.88
  4. Step 4: Simplify right side
    160,601.76x = 11,994,180,848.99
  5. Step 5: Solve for x
    x = 11,994,180,848.99/160,601.76
  6. Step 6: Final answer
    x = 74,682.75

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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.