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Finding the Fourth Proportional to 132,992, 183,528.96 and 73,376

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Solution

The fourth proportional to 132,992, 183,528.96 and 73,376 is: 101,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,992 : 183,528.96 = 73,376 : x
  2. Step 2: Convert to fraction form
    132,992/183,528.96 = 73,376/x
  3. Step 3: Cross multiply
    132,992x = 183,528.96 × 73,376
  4. Step 4: Simplify right side
    132,992x = 13,466,620,968.96
  5. Step 5: Solve for x
    x = 13,466,620,968.96/132,992
  6. Step 6: Final answer
    x = 101,258.88

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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.