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Finding the Fourth Proportional to 199,390.75, 299,084.59 and 49,630.04

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Solution

The fourth proportional to 199,390.75, 299,084.59 and 49,630.04 is: 74,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,390.75 : 299,084.59 = 49,630.04 : x
  2. Step 2: Convert to fraction form
    199,390.75/299,084.59 = 49,630.04/x
  3. Step 3: Cross multiply
    199,390.75x = 299,084.59 × 49,630.04
  4. Step 4: Simplify right side
    199,390.75x = 14,843,580,624.65
  5. Step 5: Solve for x
    x = 14,843,580,624.65/199,390.75
  6. Step 6: Final answer
    x = 74,444.68

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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.