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Finding the Fourth Proportional to 150,870.58, 226,275.84 and 74,889.85

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Solution

The fourth proportional to 150,870.58, 226,275.84 and 74,889.85 is: 112,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,870.58 : 226,275.84 = 74,889.85 : x
  2. Step 2: Convert to fraction form
    150,870.58/226,275.84 = 74,889.85/x
  3. Step 3: Cross multiply
    150,870.58x = 226,275.84 × 74,889.85
  4. Step 4: Simplify right side
    150,870.58x = 16,945,763,716.22
  5. Step 5: Solve for x
    x = 16,945,763,716.22/150,870.58
  6. Step 6: Final answer
    x = 112,319.87

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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.