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Finding the Fourth Proportional to 140,375.60, 210,584.28 and 46,859.12

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Solution

The fourth proportional to 140,375.60, 210,584.28 and 46,859.12 is: 70,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,375.60 : 210,584.28 = 46,859.12 : x
  2. Step 2: Convert to fraction form
    140,375.60/210,584.28 = 46,859.12/x
  3. Step 3: Cross multiply
    140,375.60x = 210,584.28 × 46,859.12
  4. Step 4: Simplify right side
    140,375.60x = 9,867,794,046.63
  5. Step 5: Solve for x
    x = 9,867,794,046.63/140,375.60
  6. Step 6: Final answer
    x = 70,295.65

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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.