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Finding the Fourth Proportional to 154,371, 231,556.50 and 37,635

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Solution

The fourth proportional to 154,371, 231,556.50 and 37,635 is: 56,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,371 : 231,556.50 = 37,635 : x
  2. Step 2: Convert to fraction form
    154,371/231,556.50 = 37,635/x
  3. Step 3: Cross multiply
    154,371x = 231,556.50 × 37,635
  4. Step 4: Simplify right side
    154,371x = 8,714,628,877.50
  5. Step 5: Solve for x
    x = 8,714,628,877.50/154,371
  6. Step 6: Final answer
    x = 56,452.50

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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.