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Finding the Fourth Proportional to 133,177, 183,784.26 and 73,564.84

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Solution

The fourth proportional to 133,177, 183,784.26 and 73,564.84 is: 101,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,177 : 183,784.26 = 73,564.84 : x
  2. Step 2: Convert to fraction form
    133,177/183,784.26 = 73,564.84/x
  3. Step 3: Cross multiply
    133,177x = 183,784.26 × 73,564.84
  4. Step 4: Simplify right side
    133,177x = 13,520,059,681.42
  5. Step 5: Solve for x
    x = 13,520,059,681.42/133,177
  6. Step 6: Final answer
    x = 101,519.48

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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.