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Finding the Fourth Proportional to 167,379.66, 251,069.28 and 42,720.66

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Solution

The fourth proportional to 167,379.66, 251,069.28 and 42,720.66 is: 64,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,379.66 : 251,069.28 = 42,720.66 : x
  2. Step 2: Convert to fraction form
    167,379.66/251,069.28 = 42,720.66/x
  3. Step 3: Cross multiply
    167,379.66x = 251,069.28 × 42,720.66
  4. Step 4: Simplify right side
    167,379.66x = 10,725,845,347.32
  5. Step 5: Solve for x
    x = 10,725,845,347.32/167,379.66
  6. Step 6: Final answer
    x = 64,080.94

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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.