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Finding the Fourth Proportional to 140,797.32, 211,194.36 and 56,578.92

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Solution

The fourth proportional to 140,797.32, 211,194.36 and 56,578.92 is: 84,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,797.32 : 211,194.36 = 56,578.92 : x
  2. Step 2: Convert to fraction form
    140,797.32/211,194.36 = 56,578.92/x
  3. Step 3: Cross multiply
    140,797.32x = 211,194.36 × 56,578.92
  4. Step 4: Simplify right side
    140,797.32x = 11,949,148,798.89
  5. Step 5: Solve for x
    x = 11,949,148,798.89/140,797.32
  6. Step 6: Final answer
    x = 84,867.73

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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.