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Finding the Fourth Proportional to 132,370.30, 182,672.21 and 71,941.10

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Solution

The fourth proportional to 132,370.30, 182,672.21 and 71,941.10 is: 99,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.30 : 182,672.21 = 71,941.10 : x
  2. Step 2: Convert to fraction form
    132,370.30/182,672.21 = 71,941.10/x
  3. Step 3: Cross multiply
    132,370.30x = 182,672.21 × 71,941.10
  4. Step 4: Simplify right side
    132,370.30x = 13,141,638,993.32
  5. Step 5: Solve for x
    x = 13,141,638,993.32/132,370.30
  6. Step 6: Final answer
    x = 99,279.36

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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.