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Finding the Fourth Proportional to 373,148.86, 559,720.50 and 106,909.60

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Solution

The fourth proportional to 373,148.86, 559,720.50 and 106,909.60 is: 160,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,148.86 : 559,720.50 = 106,909.60 : x
  2. Step 2: Convert to fraction form
    373,148.86/559,720.50 = 106,909.60/x
  3. Step 3: Cross multiply
    373,148.86x = 559,720.50 × 106,909.60
  4. Step 4: Simplify right side
    373,148.86x = 59,839,494,766.80
  5. Step 5: Solve for x
    x = 59,839,494,766.80/373,148.86
  6. Step 6: Final answer
    x = 160,363.60

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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.