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Finding the Fourth Proportional to 157,743.60, 236,226.60 and 104,866.80

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Solution

The fourth proportional to 157,743.60, 236,226.60 and 104,866.80 is: 157,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,743.60 : 236,226.60 = 104,866.80 : x
  2. Step 2: Convert to fraction form
    157,743.60/236,226.60 = 104,866.80/x
  3. Step 3: Cross multiply
    157,743.60x = 236,226.60 × 104,866.80
  4. Step 4: Simplify right side
    157,743.60x = 24,772,327,616.88
  5. Step 5: Solve for x
    x = 24,772,327,616.88/157,743.60
  6. Step 6: Final answer
    x = 157,041.73

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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.