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Finding the Fourth Proportional to 132,302, 182,588.28 and 72,697.52

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Solution

The fourth proportional to 132,302, 182,588.28 and 72,697.52 is: 100,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,302 : 182,588.28 = 72,697.52 : x
  2. Step 2: Convert to fraction form
    132,302/182,588.28 = 72,697.52/x
  3. Step 3: Cross multiply
    132,302x = 182,588.28 × 72,697.52
  4. Step 4: Simplify right side
    132,302x = 13,273,715,137.07
  5. Step 5: Solve for x
    x = 13,273,715,137.07/132,302
  6. Step 6: Final answer
    x = 100,328.91

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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.