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Finding the Fourth Proportional to 265,737.73, 398,608.05 and 66,058.12

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Solution

The fourth proportional to 265,737.73, 398,608.05 and 66,058.12 is: 99,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,737.73 : 398,608.05 = 66,058.12 : x
  2. Step 2: Convert to fraction form
    265,737.73/398,608.05 = 66,058.12/x
  3. Step 3: Cross multiply
    265,737.73x = 398,608.05 × 66,058.12
  4. Step 4: Simplify right side
    265,737.73x = 26,331,298,399.87
  5. Step 5: Solve for x
    x = 26,331,298,399.87/265,737.73
  6. Step 6: Final answer
    x = 99,087.54

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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.