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Finding the Fourth Proportional to 201,103.76, 277,653.22 and 124,704.02

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Solution

The fourth proportional to 201,103.76, 277,653.22 and 124,704.02 is: 172,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,103.76 : 277,653.22 = 124,704.02 : x
  2. Step 2: Convert to fraction form
    201,103.76/277,653.22 = 124,704.02/x
  3. Step 3: Cross multiply
    201,103.76x = 277,653.22 × 124,704.02
  4. Step 4: Simplify right side
    201,103.76x = 34,624,472,699.94
  5. Step 5: Solve for x
    x = 34,624,472,699.94/201,103.76
  6. Step 6: Final answer
    x = 172,172.18

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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.