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Finding the Fourth Proportional to 88,503.64, 132,449.28 and 84,829.48

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Solution

The fourth proportional to 88,503.64, 132,449.28 and 84,829.48 is: 126,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,503.64 : 132,449.28 = 84,829.48 : x
  2. Step 2: Convert to fraction form
    88,503.64/132,449.28 = 84,829.48/x
  3. Step 3: Cross multiply
    88,503.64x = 132,449.28 × 84,829.48
  4. Step 4: Simplify right side
    88,503.64x = 11,235,603,548.77
  5. Step 5: Solve for x
    x = 11,235,603,548.77/88,503.64
  6. Step 6: Final answer
    x = 126,950.75

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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.