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Finding the Fourth Proportional to 117,943.95, 162,969.92 and 94,266.03

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Solution

The fourth proportional to 117,943.95, 162,969.92 and 94,266.03 is: 130,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,943.95 : 162,969.92 = 94,266.03 : x
  2. Step 2: Convert to fraction form
    117,943.95/162,969.92 = 94,266.03/x
  3. Step 3: Cross multiply
    117,943.95x = 162,969.92 × 94,266.03
  4. Step 4: Simplify right side
    117,943.95x = 15,362,526,896.49
  5. Step 5: Solve for x
    x = 15,362,526,896.49/117,943.95
  6. Step 6: Final answer
    x = 130,252.78

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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.