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Finding the Fourth Proportional to 157,665.60, 236,109.60 and 104,788.80

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Solution

The fourth proportional to 157,665.60, 236,109.60 and 104,788.80 is: 156,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,665.60 : 236,109.60 = 104,788.80 : x
  2. Step 2: Convert to fraction form
    157,665.60/236,109.60 = 104,788.80/x
  3. Step 3: Cross multiply
    157,665.60x = 236,109.60 × 104,788.80
  4. Step 4: Simplify right side
    157,665.60x = 24,741,641,652.48
  5. Step 5: Solve for x
    x = 24,741,641,652.48/157,665.60
  6. Step 6: Final answer
    x = 156,924.79

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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.