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Finding the Fourth Proportional to 88,603.68, 132,796.08 and 76,035.36

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Solution

The fourth proportional to 88,603.68, 132,796.08 and 76,035.36 is: 113,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603.68 : 132,796.08 = 76,035.36 : x
  2. Step 2: Convert to fraction form
    88,603.68/132,796.08 = 76,035.36/x
  3. Step 3: Cross multiply
    88,603.68x = 132,796.08 × 76,035.36
  4. Step 4: Simplify right side
    88,603.68x = 10,097,197,749.39
  5. Step 5: Solve for x
    x = 10,097,197,749.39/88,603.68
  6. Step 6: Final answer
    x = 113,959.12

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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.