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Finding the Fourth Proportional to 104,584.68, 156,878.16 and 29,706.60

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Solution

The fourth proportional to 104,584.68, 156,878.16 and 29,706.60 is: 44,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,584.68 : 156,878.16 = 29,706.60 : x
  2. Step 2: Convert to fraction form
    104,584.68/156,878.16 = 29,706.60/x
  3. Step 3: Cross multiply
    104,584.68x = 156,878.16 × 29,706.60
  4. Step 4: Simplify right side
    104,584.68x = 4,660,316,747.86
  5. Step 5: Solve for x
    x = 4,660,316,747.86/104,584.68
  6. Step 6: Final answer
    x = 44,560.22

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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.