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Finding the Fourth Proportional to 100,692.92, 151,044.95 and 33,222.29

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Solution

The fourth proportional to 100,692.92, 151,044.95 and 33,222.29 is: 49,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,692.92 : 151,044.95 = 33,222.29 : x
  2. Step 2: Convert to fraction form
    100,692.92/151,044.95 = 33,222.29/x
  3. Step 3: Cross multiply
    100,692.92x = 151,044.95 × 33,222.29
  4. Step 4: Simplify right side
    100,692.92x = 5,018,058,459.77
  5. Step 5: Solve for x
    x = 5,018,058,459.77/100,692.92
  6. Step 6: Final answer
    x = 49,835.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.