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Finding the Fourth Proportional to 373,220.40, 559,830.60 and 106,965.30

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Solution

The fourth proportional to 373,220.40, 559,830.60 and 106,965.30 is: 160,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,220.40 : 559,830.60 = 106,965.30 : x
  2. Step 2: Convert to fraction form
    373,220.40/559,830.60 = 106,965.30/x
  3. Step 3: Cross multiply
    373,220.40x = 559,830.60 × 106,965.30
  4. Step 4: Simplify right side
    373,220.40x = 59,882,448,078.18
  5. Step 5: Solve for x
    x = 59,882,448,078.18/373,220.40
  6. Step 6: Final answer
    x = 160,447.95

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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.