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Finding the Fourth Proportional to 140,606.82, 210,907.80 and 35,423.46

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Solution

The fourth proportional to 140,606.82, 210,907.80 and 35,423.46 is: 53,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,606.82 : 210,907.80 = 35,423.46 : x
  2. Step 2: Convert to fraction form
    140,606.82/210,907.80 = 35,423.46/x
  3. Step 3: Cross multiply
    140,606.82x = 210,907.80 × 35,423.46
  4. Step 4: Simplify right side
    140,606.82x = 7,471,084,016.99
  5. Step 5: Solve for x
    x = 7,471,084,016.99/140,606.82
  6. Step 6: Final answer
    x = 53,134.58

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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.