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Finding the Fourth Proportional to 173,915.20, 239,891.46 and 119,441.08

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Solution

The fourth proportional to 173,915.20, 239,891.46 and 119,441.08 is: 164,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,915.20 : 239,891.46 = 119,441.08 : x
  2. Step 2: Convert to fraction form
    173,915.20/239,891.46 = 119,441.08/x
  3. Step 3: Cross multiply
    173,915.20x = 239,891.46 × 119,441.08
  4. Step 4: Simplify right side
    173,915.20x = 28,652,895,065.18
  5. Step 5: Solve for x
    x = 28,652,895,065.18/173,915.20
  6. Step 6: Final answer
    x = 164,752.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.