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Finding the Fourth Proportional to 70,659.87, 106,005.42 and 23,273.07

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Solution

The fourth proportional to 70,659.87, 106,005.42 and 23,273.07 is: 34,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659.87 : 106,005.42 = 23,273.07 : x
  2. Step 2: Convert to fraction form
    70,659.87/106,005.42 = 23,273.07/x
  3. Step 3: Cross multiply
    70,659.87x = 106,005.42 × 23,273.07
  4. Step 4: Simplify right side
    70,659.87x = 2,467,071,560.04
  5. Step 5: Solve for x
    x = 2,467,071,560.04/70,659.87
  6. Step 6: Final answer
    x = 34,914.75

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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.