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Finding the Fourth Proportional to 200,734.48, 277,009.44 and 124,233.22

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Solution

The fourth proportional to 200,734.48, 277,009.44 and 124,233.22 is: 171,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,734.48 : 277,009.44 = 124,233.22 : x
  2. Step 2: Convert to fraction form
    200,734.48/277,009.44 = 124,233.22/x
  3. Step 3: Cross multiply
    200,734.48x = 277,009.44 × 124,233.22
  4. Step 4: Simplify right side
    200,734.48x = 34,413,774,701.60
  5. Step 5: Solve for x
    x = 34,413,774,701.60/200,734.48
  6. Step 6: Final answer
    x = 171,439.28

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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.