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Finding the Fourth Proportional to 121,014.69, 167,000.44 and 67,299.70

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Solution

The fourth proportional to 121,014.69, 167,000.44 and 67,299.70 is: 92,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014.69 : 167,000.44 = 67,299.70 : x
  2. Step 2: Convert to fraction form
    121,014.69/167,000.44 = 67,299.70/x
  3. Step 3: Cross multiply
    121,014.69x = 167,000.44 × 67,299.70
  4. Step 4: Simplify right side
    121,014.69x = 11,239,080,075.00
  5. Step 5: Solve for x
    x = 11,239,080,075.00/121,014.69
  6. Step 6: Final answer
    x = 92,873.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.