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Finding the Fourth Proportional to 201,161.61, 277,603.61 and 120,592.53

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Solution

The fourth proportional to 201,161.61, 277,603.61 and 120,592.53 is: 166,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,161.61 : 277,603.61 = 120,592.53 : x
  2. Step 2: Convert to fraction form
    201,161.61/277,603.61 = 120,592.53/x
  3. Step 3: Cross multiply
    201,161.61x = 277,603.61 × 120,592.53
  4. Step 4: Simplify right side
    201,161.61x = 33,476,921,064.07
  5. Step 5: Solve for x
    x = 33,476,921,064.07/201,161.61
  6. Step 6: Final answer
    x = 166,418.04

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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.