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Finding the Fourth Proportional to 99,477.82, 149,060.40 and 69,462.46

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Solution

The fourth proportional to 99,477.82, 149,060.40 and 69,462.46 is: 104,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,477.82 : 149,060.40 = 69,462.46 : x
  2. Step 2: Convert to fraction form
    99,477.82/149,060.40 = 69,462.46/x
  3. Step 3: Cross multiply
    99,477.82x = 149,060.40 × 69,462.46
  4. Step 4: Simplify right side
    99,477.82x = 10,354,102,072.58
  5. Step 5: Solve for x
    x = 10,354,102,072.58/99,477.82
  6. Step 6: Final answer
    x = 104,084.53

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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.