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Finding the Fourth Proportional to 132,858, 183,344.04 and 73,242

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Solution

The fourth proportional to 132,858, 183,344.04 and 73,242 is: 101,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858 : 183,344.04 = 73,242 : x
  2. Step 2: Convert to fraction form
    132,858/183,344.04 = 73,242/x
  3. Step 3: Cross multiply
    132,858x = 183,344.04 × 73,242
  4. Step 4: Simplify right side
    132,858x = 13,428,484,177.68
  5. Step 5: Solve for x
    x = 13,428,484,177.68/132,858
  6. Step 6: Final answer
    x = 101,073.96

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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.