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Finding the Fourth Proportional to 133,186, 183,796.68 and 73,570

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Solution

The fourth proportional to 133,186, 183,796.68 and 73,570 is: 101,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,186 : 183,796.68 = 73,570 : x
  2. Step 2: Convert to fraction form
    133,186/183,796.68 = 73,570/x
  3. Step 3: Cross multiply
    133,186x = 183,796.68 × 73,570
  4. Step 4: Simplify right side
    133,186x = 13,521,921,747.60
  5. Step 5: Solve for x
    x = 13,521,921,747.60/133,186
  6. Step 6: Final answer
    x = 101,526.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.