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Finding the Fourth Proportional to 140,523.58, 210,785.64 and 35,342.65

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Solution

The fourth proportional to 140,523.58, 210,785.64 and 35,342.65 is: 53,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.58 : 210,785.64 = 35,342.65 : x
  2. Step 2: Convert to fraction form
    140,523.58/210,785.64 = 35,342.65/x
  3. Step 3: Cross multiply
    140,523.58x = 210,785.64 × 35,342.65
  4. Step 4: Simplify right side
    140,523.58x = 7,449,723,099.55
  5. Step 5: Solve for x
    x = 7,449,723,099.55/140,523.58
  6. Step 6: Final answer
    x = 53,014.04

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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.