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Finding the Fourth Proportional to 200,963.03, 277,321.80 and 113,746.26

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Solution

The fourth proportional to 200,963.03, 277,321.80 and 113,746.26 is: 156,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,963.03 : 277,321.80 = 113,746.26 : x
  2. Step 2: Convert to fraction form
    200,963.03/277,321.80 = 113,746.26/x
  3. Step 3: Cross multiply
    200,963.03x = 277,321.80 × 113,746.26
  4. Step 4: Simplify right side
    200,963.03x = 31,544,318,259.77
  5. Step 5: Solve for x
    x = 31,544,318,259.77/200,963.03
  6. Step 6: Final answer
    x = 156,965.78

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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.