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Finding the Fourth Proportional to 192,679.80, 289,047.28 and 59,570.36

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Solution

The fourth proportional to 192,679.80, 289,047.28 and 59,570.36 is: 89,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,679.80 : 289,047.28 = 59,570.36 : x
  2. Step 2: Convert to fraction form
    192,679.80/289,047.28 = 59,570.36/x
  3. Step 3: Cross multiply
    192,679.80x = 289,047.28 × 59,570.36
  4. Step 4: Simplify right side
    192,679.80x = 17,218,650,526.62
  5. Step 5: Solve for x
    x = 17,218,650,526.62/192,679.80
  6. Step 6: Final answer
    x = 89,364.07

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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.