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Finding the Fourth Proportional to 69,954.80, 96,534.81 and 38,123.01

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Solution

The fourth proportional to 69,954.80, 96,534.81 and 38,123.01 is: 52,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,954.80 : 96,534.81 = 38,123.01 : x
  2. Step 2: Convert to fraction form
    69,954.80/96,534.81 = 38,123.01/x
  3. Step 3: Cross multiply
    69,954.80x = 96,534.81 × 38,123.01
  4. Step 4: Simplify right side
    69,954.80x = 3,680,197,526.98
  5. Step 5: Solve for x
    x = 3,680,197,526.98/69,954.80
  6. Step 6: Final answer
    x = 52,608.22

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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.