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Finding the Fourth Proportional to 157,644.60, 236,078.10 and 104,767.80

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Solution

The fourth proportional to 157,644.60, 236,078.10 and 104,767.80 is: 156,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,644.60 : 236,078.10 = 104,767.80 : x
  2. Step 2: Convert to fraction form
    157,644.60/236,078.10 = 104,767.80/x
  3. Step 3: Cross multiply
    157,644.60x = 236,078.10 × 104,767.80
  4. Step 4: Simplify right side
    157,644.60x = 24,733,383,165.18
  5. Step 5: Solve for x
    x = 24,733,383,165.18/157,644.60
  6. Step 6: Final answer
    x = 156,893.31

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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.