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Finding the Fourth Proportional to 104,464.60, 156,722.10 and 34,340.20

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Solution

The fourth proportional to 104,464.60, 156,722.10 and 34,340.20 is: 51,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,464.60 : 156,722.10 = 34,340.20 : x
  2. Step 2: Convert to fraction form
    104,464.60/156,722.10 = 34,340.20/x
  3. Step 3: Cross multiply
    104,464.60x = 156,722.10 × 34,340.20
  4. Step 4: Simplify right side
    104,464.60x = 5,381,868,258.42
  5. Step 5: Solve for x
    x = 5,381,868,258.42/104,464.60
  6. Step 6: Final answer
    x = 51,518.58

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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.