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Finding the Fourth Proportional to 74,704.60, 112,076.70 and 32,566.60

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Solution

The fourth proportional to 74,704.60, 112,076.70 and 32,566.60 is: 48,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.60 : 112,076.70 = 32,566.60 : x
  2. Step 2: Convert to fraction form
    74,704.60/112,076.70 = 32,566.60/x
  3. Step 3: Cross multiply
    74,704.60x = 112,076.70 × 32,566.60
  4. Step 4: Simplify right side
    74,704.60x = 3,649,957,058.22
  5. Step 5: Solve for x
    x = 3,649,957,058.22/74,704.60
  6. Step 6: Final answer
    x = 48,858.53

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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.