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Finding the Fourth Proportional to 170,000.82, 255,467.79 and 160,339.14

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Solution

The fourth proportional to 170,000.82, 255,467.79 and 160,339.14 is: 240,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,000.82 : 255,467.79 = 160,339.14 : x
  2. Step 2: Convert to fraction form
    170,000.82/255,467.79 = 160,339.14/x
  3. Step 3: Cross multiply
    170,000.82x = 255,467.79 × 160,339.14
  4. Step 4: Simplify right side
    170,000.82x = 40,961,485,746.30
  5. Step 5: Solve for x
    x = 40,961,485,746.30/170,000.82
  6. Step 6: Final answer
    x = 240,948.75

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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.