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Finding the Fourth Proportional to 93,464.88, 128,982.07 and 51,023.85

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Solution

The fourth proportional to 93,464.88, 128,982.07 and 51,023.85 is: 70,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,464.88 : 128,982.07 = 51,023.85 : x
  2. Step 2: Convert to fraction form
    93,464.88/128,982.07 = 51,023.85/x
  3. Step 3: Cross multiply
    93,464.88x = 128,982.07 × 51,023.85
  4. Step 4: Simplify right side
    93,464.88x = 6,581,161,792.37
  5. Step 5: Solve for x
    x = 6,581,161,792.37/93,464.88
  6. Step 6: Final answer
    x = 70,413.21

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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.