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Finding the Fourth Proportional to 104,658.04, 156,994.20 and 29,784.04

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Solution

The fourth proportional to 104,658.04, 156,994.20 and 29,784.04 is: 44,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.04 : 156,994.20 = 29,784.04 : x
  2. Step 2: Convert to fraction form
    104,658.04/156,994.20 = 29,784.04/x
  3. Step 3: Cross multiply
    104,658.04x = 156,994.20 × 29,784.04
  4. Step 4: Simplify right side
    104,658.04x = 4,675,921,532.57
  5. Step 5: Solve for x
    x = 4,675,921,532.57/104,658.04
  6. Step 6: Final answer
    x = 44,678.09

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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.