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Finding the Fourth Proportional to 162,692.21, 224,542.13 and 111,663.02

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Solution

The fourth proportional to 162,692.21, 224,542.13 and 111,663.02 is: 154,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,692.21 : 224,542.13 = 111,663.02 : x
  2. Step 2: Convert to fraction form
    162,692.21/224,542.13 = 111,663.02/x
  3. Step 3: Cross multiply
    162,692.21x = 224,542.13 × 111,663.02
  4. Step 4: Simplify right side
    162,692.21x = 25,073,052,356.07
  5. Step 5: Solve for x
    x = 25,073,052,356.07/162,692.21
  6. Step 6: Final answer
    x = 154,113.41

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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.