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Finding the Fourth Proportional to 104,579.79, 156,871.71 and 34,459.71

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Solution

The fourth proportional to 104,579.79, 156,871.71 and 34,459.71 is: 51,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.79 : 156,871.71 = 34,459.71 : x
  2. Step 2: Convert to fraction form
    104,579.79/156,871.71 = 34,459.71/x
  3. Step 3: Cross multiply
    104,579.79x = 156,871.71 × 34,459.71
  4. Step 4: Simplify right side
    104,579.79x = 5,405,753,633.80
  5. Step 5: Solve for x
    x = 5,405,753,633.80/104,579.79
  6. Step 6: Final answer
    x = 51,690.23

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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.