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Finding the Fourth Proportional to 164,785.44, 247,070.88 and 108,454.80

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Solution

The fourth proportional to 164,785.44, 247,070.88 and 108,454.80 is: 162,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,785.44 : 247,070.88 = 108,454.80 : x
  2. Step 2: Convert to fraction form
    164,785.44/247,070.88 = 108,454.80/x
  3. Step 3: Cross multiply
    164,785.44x = 247,070.88 × 108,454.80
  4. Step 4: Simplify right side
    164,785.44x = 26,796,022,876.22
  5. Step 5: Solve for x
    x = 26,796,022,876.22/164,785.44
  6. Step 6: Final answer
    x = 162,611.59

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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.