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Finding the Fourth Proportional to 266,907.72, 368,296.34 and 159,455

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Solution

The fourth proportional to 266,907.72, 368,296.34 and 159,455 is: 220,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,907.72 : 368,296.34 = 159,455 : x
  2. Step 2: Convert to fraction form
    266,907.72/368,296.34 = 159,455/x
  3. Step 3: Cross multiply
    266,907.72x = 368,296.34 × 159,455
  4. Step 4: Simplify right side
    266,907.72x = 58,726,692,894.70
  5. Step 5: Solve for x
    x = 58,726,692,894.70/266,907.72
  6. Step 6: Final answer
    x = 220,026.21

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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.