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Finding the Fourth Proportional to 168,799.32, 253,377.42 and 164,987.44

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Solution

The fourth proportional to 168,799.32, 253,377.42 and 164,987.44 is: 247,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,799.32 : 253,377.42 = 164,987.44 : x
  2. Step 2: Convert to fraction form
    168,799.32/253,377.42 = 164,987.44/x
  3. Step 3: Cross multiply
    168,799.32x = 253,377.42 × 164,987.44
  4. Step 4: Simplify right side
    168,799.32x = 41,804,092,409.02
  5. Step 5: Solve for x
    x = 41,804,092,409.02/168,799.32
  6. Step 6: Final answer
    x = 247,655.58

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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.