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Finding the Fourth Proportional to 99,460.66, 149,024.91 and 69,825.44

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Solution

The fourth proportional to 99,460.66, 149,024.91 and 69,825.44 is: 104,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,460.66 : 149,024.91 = 69,825.44 : x
  2. Step 2: Convert to fraction form
    99,460.66/149,024.91 = 69,825.44/x
  3. Step 3: Cross multiply
    99,460.66x = 149,024.91 × 69,825.44
  4. Step 4: Simplify right side
    99,460.66x = 10,405,730,546.12
  5. Step 5: Solve for x
    x = 10,405,730,546.12/99,460.66
  6. Step 6: Final answer
    x = 104,621.57

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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.