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Finding the Fourth Proportional to 189,852.60, 284,757.30 and 49,625.40

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Solution

The fourth proportional to 189,852.60, 284,757.30 and 49,625.40 is: 74,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,852.60 : 284,757.30 = 49,625.40 : x
  2. Step 2: Convert to fraction form
    189,852.60/284,757.30 = 49,625.40/x
  3. Step 3: Cross multiply
    189,852.60x = 284,757.30 × 49,625.40
  4. Step 4: Simplify right side
    189,852.60x = 14,131,194,915.42
  5. Step 5: Solve for x
    x = 14,131,194,915.42/189,852.60
  6. Step 6: Final answer
    x = 74,432.45

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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.