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Finding the Fourth Proportional to 318,052.74, 477,096.99 and 101,930.28

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Solution

The fourth proportional to 318,052.74, 477,096.99 and 101,930.28 is: 152,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,052.74 : 477,096.99 = 101,930.28 : x
  2. Step 2: Convert to fraction form
    318,052.74/477,096.99 = 101,930.28/x
  3. Step 3: Cross multiply
    318,052.74x = 477,096.99 × 101,930.28
  4. Step 4: Simplify right side
    318,052.74x = 48,630,629,777.86
  5. Step 5: Solve for x
    x = 48,630,629,777.86/318,052.74
  6. Step 6: Final answer
    x = 152,901.15

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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.