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Finding the Fourth Proportional to 104,633.60, 156,950.40 and 100,551.20

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Solution

The fourth proportional to 104,633.60, 156,950.40 and 100,551.20 is: 150,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.60 : 156,950.40 = 100,551.20 : x
  2. Step 2: Convert to fraction form
    104,633.60/156,950.40 = 100,551.20/x
  3. Step 3: Cross multiply
    104,633.60x = 156,950.40 × 100,551.20
  4. Step 4: Simplify right side
    104,633.60x = 15,781,551,060.48
  5. Step 5: Solve for x
    x = 15,781,551,060.48/104,633.60
  6. Step 6: Final answer
    x = 150,826.80

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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.