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Finding the Fourth Proportional to 88,486.36, 132,748.97 and 65,041.72

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Solution

The fourth proportional to 88,486.36, 132,748.97 and 65,041.72 is: 97,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,486.36 : 132,748.97 = 65,041.72 : x
  2. Step 2: Convert to fraction form
    88,486.36/132,748.97 = 65,041.72/x
  3. Step 3: Cross multiply
    88,486.36x = 132,748.97 × 65,041.72
  4. Step 4: Simplify right side
    88,486.36x = 8,634,220,679.95
  5. Step 5: Solve for x
    x = 8,634,220,679.95/88,486.36
  6. Step 6: Final answer
    x = 97,576.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.