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Finding the Fourth Proportional to 167,574.80, 251,216.40 and 100,944.20

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Solution

The fourth proportional to 167,574.80, 251,216.40 and 100,944.20 is: 151,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,574.80 : 251,216.40 = 100,944.20 : x
  2. Step 2: Convert to fraction form
    167,574.80/251,216.40 = 100,944.20/x
  3. Step 3: Cross multiply
    167,574.80x = 251,216.40 × 100,944.20
  4. Step 4: Simplify right side
    167,574.80x = 25,358,838,524.88
  5. Step 5: Solve for x
    x = 25,358,838,524.88/167,574.80
  6. Step 6: Final answer
    x = 151,328.47

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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.