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Finding the Fourth Proportional to 132,794.88, 183,248.64 and 73,178.88

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Solution

The fourth proportional to 132,794.88, 183,248.64 and 73,178.88 is: 100,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,794.88 : 183,248.64 = 73,178.88 : x
  2. Step 2: Convert to fraction form
    132,794.88/183,248.64 = 73,178.88/x
  3. Step 3: Cross multiply
    132,794.88x = 183,248.64 × 73,178.88
  4. Step 4: Simplify right side
    132,794.88x = 13,409,930,236.72
  5. Step 5: Solve for x
    x = 13,409,930,236.72/132,794.88
  6. Step 6: Final answer
    x = 100,982.28

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1.5x scale

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.