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Finding the Fourth Proportional to 157,745.60, 236,229.60 and 104,868.80

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Solution

The fourth proportional to 157,745.60, 236,229.60 and 104,868.80 is: 157,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,745.60 : 236,229.60 = 104,868.80 : x
  2. Step 2: Convert to fraction form
    157,745.60/236,229.60 = 104,868.80/x
  3. Step 3: Cross multiply
    157,745.60x = 236,229.60 × 104,868.80
  4. Step 4: Simplify right side
    157,745.60x = 24,773,114,676.48
  5. Step 5: Solve for x
    x = 24,773,114,676.48/157,745.60
  6. Step 6: Final answer
    x = 157,044.73

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1.5x scale

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.