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Finding the Fourth Proportional to 201,049.55, 277,213.98 and 149,973.61

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Solution

The fourth proportional to 201,049.55, 277,213.98 and 149,973.61 is: 206,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,049.55 : 277,213.98 = 149,973.61 : x
  2. Step 2: Convert to fraction form
    201,049.55/277,213.98 = 149,973.61/x
  3. Step 3: Cross multiply
    201,049.55x = 277,213.98 × 149,973.61
  4. Step 4: Simplify right side
    201,049.55x = 41,574,779,880.16
  5. Step 5: Solve for x
    x = 41,574,779,880.16/201,049.55
  6. Step 6: Final answer
    x = 206,788.73

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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.