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Finding the Fourth Proportional to 70,606.66, 105,843.12 and 26,203.27

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Solution

The fourth proportional to 70,606.66, 105,843.12 and 26,203.27 is: 39,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.66 : 105,843.12 = 26,203.27 : x
  2. Step 2: Convert to fraction form
    70,606.66/105,843.12 = 26,203.27/x
  3. Step 3: Cross multiply
    70,606.66x = 105,843.12 × 26,203.27
  4. Step 4: Simplify right side
    70,606.66x = 2,773,435,851.00
  5. Step 5: Solve for x
    x = 2,773,435,851.00/70,606.66
  6. Step 6: Final answer
    x = 39,280.09

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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.