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Finding the Fourth Proportional to 99,476.82, 149,058.90 and 69,461.46

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Solution

The fourth proportional to 99,476.82, 149,058.90 and 69,461.46 is: 104,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,476.82 : 149,058.90 = 69,461.46 : x
  2. Step 2: Convert to fraction form
    99,476.82/149,058.90 = 69,461.46/x
  3. Step 3: Cross multiply
    99,476.82x = 149,058.90 × 69,461.46
  4. Step 4: Simplify right side
    99,476.82x = 10,353,848,819.99
  5. Step 5: Solve for x
    x = 10,353,848,819.99/99,476.82
  6. Step 6: Final answer
    x = 104,083.03

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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.