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Finding the Fourth Proportional to 70,817.63, 106,226.51 and 29,265.71

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Solution

The fourth proportional to 70,817.63, 106,226.51 and 29,265.71 is: 43,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,817.63 : 106,226.51 = 29,265.71 : x
  2. Step 2: Convert to fraction form
    70,817.63/106,226.51 = 29,265.71/x
  3. Step 3: Cross multiply
    70,817.63x = 106,226.51 × 29,265.71
  4. Step 4: Simplify right side
    70,817.63x = 3,108,793,558.51
  5. Step 5: Solve for x
    x = 3,108,793,558.51/70,817.63
  6. Step 6: Final answer
    x = 43,898.59

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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.