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Finding the Fourth Proportional to 104,590.60, 156,823.50 and 41,419.78

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Solution

The fourth proportional to 104,590.60, 156,823.50 and 41,419.78 is: 62,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.60 : 156,823.50 = 41,419.78 : x
  2. Step 2: Convert to fraction form
    104,590.60/156,823.50 = 41,419.78/x
  3. Step 3: Cross multiply
    104,590.60x = 156,823.50 × 41,419.78
  4. Step 4: Simplify right side
    104,590.60x = 6,495,594,476.77
  5. Step 5: Solve for x
    x = 6,495,594,476.77/104,590.60
  6. Step 6: Final answer
    x = 62,104.96

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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.