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Finding the Fourth Proportional to 167,449.68, 251,174.16 and 42,790.32

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Solution

The fourth proportional to 167,449.68, 251,174.16 and 42,790.32 is: 64,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,449.68 : 251,174.16 = 42,790.32 : x
  2. Step 2: Convert to fraction form
    167,449.68/251,174.16 = 42,790.32/x
  3. Step 3: Cross multiply
    167,449.68x = 251,174.16 × 42,790.32
  4. Step 4: Simplify right side
    167,449.68x = 10,747,822,682.13
  5. Step 5: Solve for x
    x = 10,747,822,682.13/167,449.68
  6. Step 6: Final answer
    x = 64,185.39

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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.