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Finding the Fourth Proportional to 169,471.50, 233,870.67 and 94,020.54

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Solution

The fourth proportional to 169,471.50, 233,870.67 and 94,020.54 is: 129,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,471.50 : 233,870.67 = 94,020.54 : x
  2. Step 2: Convert to fraction form
    169,471.50/233,870.67 = 94,020.54/x
  3. Step 3: Cross multiply
    169,471.50x = 233,870.67 × 94,020.54
  4. Step 4: Simplify right side
    169,471.50x = 21,988,646,683.56
  5. Step 5: Solve for x
    x = 21,988,646,683.56/169,471.50
  6. Step 6: Final answer
    x = 129,748.35

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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.