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Finding the Fourth Proportional to 167,225.72, 230,879.58 and 103,631

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Solution

The fourth proportional to 167,225.72, 230,879.58 and 103,631 is: 143,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,225.72 : 230,879.58 = 103,631 : x
  2. Step 2: Convert to fraction form
    167,225.72/230,879.58 = 103,631/x
  3. Step 3: Cross multiply
    167,225.72x = 230,879.58 × 103,631
  4. Step 4: Simplify right side
    167,225.72x = 23,926,281,754.98
  5. Step 5: Solve for x
    x = 23,926,281,754.98/167,225.72
  6. Step 6: Final answer
    x = 143,077.76

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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.