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Finding the Fourth Proportional to 133,324.16, 183,986.88 and 73,708.16

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Solution

The fourth proportional to 133,324.16, 183,986.88 and 73,708.16 is: 101,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,324.16 : 183,986.88 = 73,708.16 : x
  2. Step 2: Convert to fraction form
    133,324.16/183,986.88 = 73,708.16/x
  3. Step 3: Cross multiply
    133,324.16x = 183,986.88 × 73,708.16
  4. Step 4: Simplify right side
    133,324.16x = 13,561,334,388.94
  5. Step 5: Solve for x
    x = 13,561,334,388.94/133,324.16
  6. Step 6: Final answer
    x = 101,717.01

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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.