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Finding the Fourth Proportional to 192,398, 288,601.32 and 66,038

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Solution

The fourth proportional to 192,398, 288,601.32 and 66,038 is: 99,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,398 : 288,601.32 = 66,038 : x
  2. Step 2: Convert to fraction form
    192,398/288,601.32 = 66,038/x
  3. Step 3: Cross multiply
    192,398x = 288,601.32 × 66,038
  4. Step 4: Simplify right side
    192,398x = 19,058,653,970.16
  5. Step 5: Solve for x
    x = 19,058,653,970.16/192,398
  6. Step 6: Final answer
    x = 99,058.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.