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Finding the Fourth Proportional to 275,066.77, 412,603.79 and 88,078.27

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Solution

The fourth proportional to 275,066.77, 412,603.79 and 88,078.27 is: 132,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,066.77 : 412,603.79 = 88,078.27 : x
  2. Step 2: Convert to fraction form
    275,066.77/412,603.79 = 88,078.27/x
  3. Step 3: Cross multiply
    275,066.77x = 412,603.79 × 88,078.27
  4. Step 4: Simplify right side
    275,066.77x = 36,341,428,018.64
  5. Step 5: Solve for x
    x = 36,341,428,018.64/275,066.77
  6. Step 6: Final answer
    x = 132,118.57

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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.