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Finding the Fourth Proportional to 132,427.34, 182,745.88 and 75,071.98

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Solution

The fourth proportional to 132,427.34, 182,745.88 and 75,071.98 is: 103,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,427.34 : 182,745.88 = 75,071.98 : x
  2. Step 2: Convert to fraction form
    132,427.34/182,745.88 = 75,071.98/x
  3. Step 3: Cross multiply
    132,427.34x = 182,745.88 × 75,071.98
  4. Step 4: Simplify right side
    132,427.34x = 13,719,095,048.44
  5. Step 5: Solve for x
    x = 13,719,095,048.44/132,427.34
  6. Step 6: Final answer
    x = 103,597.15

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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.