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Finding the Fourth Proportional to 140,469.58, 210,660.45 and 46,953.46

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Solution

The fourth proportional to 140,469.58, 210,660.45 and 46,953.46 is: 70,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,469.58 : 210,660.45 = 46,953.46 : x
  2. Step 2: Convert to fraction form
    140,469.58/210,660.45 = 46,953.46/x
  3. Step 3: Cross multiply
    140,469.58x = 210,660.45 × 46,953.46
  4. Step 4: Simplify right side
    140,469.58x = 9,891,237,012.66
  5. Step 5: Solve for x
    x = 9,891,237,012.66/140,469.58
  6. Step 6: Final answer
    x = 70,415.51

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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.