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Finding the Fourth Proportional to 200,956.97, 277,450.53 and 124,557.32

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Solution

The fourth proportional to 200,956.97, 277,450.53 and 124,557.32 is: 171,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,956.97 : 277,450.53 = 124,557.32 : x
  2. Step 2: Convert to fraction form
    200,956.97/277,450.53 = 124,557.32/x
  3. Step 3: Cross multiply
    200,956.97x = 277,450.53 × 124,557.32
  4. Step 4: Simplify right side
    200,956.97x = 34,558,492,595.04
  5. Step 5: Solve for x
    x = 34,558,492,595.04/200,956.97
  6. Step 6: Final answer
    x = 171,969.61

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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.