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Finding the Fourth Proportional to 92,622.44, 138,945.43 and 29,420.01

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Solution

The fourth proportional to 92,622.44, 138,945.43 and 29,420.01 is: 44,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,622.44 : 138,945.43 = 29,420.01 : x
  2. Step 2: Convert to fraction form
    92,622.44/138,945.43 = 29,420.01/x
  3. Step 3: Cross multiply
    92,622.44x = 138,945.43 × 29,420.01
  4. Step 4: Simplify right side
    92,622.44x = 4,087,775,811.34
  5. Step 5: Solve for x
    x = 4,087,775,811.34/92,622.44
  6. Step 6: Final answer
    x = 44,133.75

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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.