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Finding the Fourth Proportional to 70,052.34, 105,079.43 and 23,305.22

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Solution

The fourth proportional to 70,052.34, 105,079.43 and 23,305.22 is: 34,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,052.34 : 105,079.43 = 23,305.22 : x
  2. Step 2: Convert to fraction form
    70,052.34/105,079.43 = 23,305.22/x
  3. Step 3: Cross multiply
    70,052.34x = 105,079.43 × 23,305.22
  4. Step 4: Simplify right side
    70,052.34x = 2,448,899,029.45
  5. Step 5: Solve for x
    x = 2,448,899,029.45/70,052.34
  6. Step 6: Final answer
    x = 34,958.13

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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.