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Finding the Fourth Proportional to 99,461.66, 149,026.41 and 69,826.44

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Solution

The fourth proportional to 99,461.66, 149,026.41 and 69,826.44 is: 104,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,461.66 : 149,026.41 = 69,826.44 : x
  2. Step 2: Convert to fraction form
    99,461.66/149,026.41 = 69,826.44/x
  3. Step 3: Cross multiply
    99,461.66x = 149,026.41 × 69,826.44
  4. Step 4: Simplify right side
    99,461.66x = 10,405,983,676.28
  5. Step 5: Solve for x
    x = 10,405,983,676.28/99,461.66
  6. Step 6: Final answer
    x = 104,623.06

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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.