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Finding the Fourth Proportional to 156,609, 234,914.04 and 45,801

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Solution

The fourth proportional to 156,609, 234,914.04 and 45,801 is: 68,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,609 : 234,914.04 = 45,801 : x
  2. Step 2: Convert to fraction form
    156,609/234,914.04 = 45,801/x
  3. Step 3: Cross multiply
    156,609x = 234,914.04 × 45,801
  4. Step 4: Simplify right side
    156,609x = 10,759,297,946.04
  5. Step 5: Solve for x
    x = 10,759,297,946.04/156,609
  6. Step 6: Final answer
    x = 68,701.66

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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.