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Finding the Fourth Proportional to 373,658.55, 560,581.70 and 107,419.54

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Solution

The fourth proportional to 373,658.55, 560,581.70 and 107,419.54 is: 161,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,658.55 : 560,581.70 = 107,419.54 : x
  2. Step 2: Convert to fraction form
    373,658.55/560,581.70 = 107,419.54/x
  3. Step 3: Cross multiply
    373,658.55x = 560,581.70 × 107,419.54
  4. Step 4: Simplify right side
    373,658.55x = 60,217,427,809.32
  5. Step 5: Solve for x
    x = 60,217,427,809.32/373,658.55
  6. Step 6: Final answer
    x = 161,156.30

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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.