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Finding the Fourth Proportional to 183,663.93, 275,388.86 and 71,212.79

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Solution

The fourth proportional to 183,663.93, 275,388.86 and 71,212.79 is: 106,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,663.93 : 275,388.86 = 71,212.79 : x
  2. Step 2: Convert to fraction form
    183,663.93/275,388.86 = 71,212.79/x
  3. Step 3: Cross multiply
    183,663.93x = 275,388.86 × 71,212.79
  4. Step 4: Simplify right side
    183,663.93x = 19,611,207,322.51
  5. Step 5: Solve for x
    x = 19,611,207,322.51/183,663.93
  6. Step 6: Final answer
    x = 106,777.67

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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.