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Finding the Fourth Proportional to 192,971.93, 289,485.93 and 59,862.80

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Solution

The fourth proportional to 192,971.93, 289,485.93 and 59,862.80 is: 89,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,971.93 : 289,485.93 = 59,862.80 : x
  2. Step 2: Convert to fraction form
    192,971.93/289,485.93 = 59,862.80/x
  3. Step 3: Cross multiply
    192,971.93x = 289,485.93 × 59,862.80
  4. Step 4: Simplify right side
    192,971.93x = 17,329,436,882.97
  5. Step 5: Solve for x
    x = 17,329,436,882.97/192,971.93
  6. Step 6: Final answer
    x = 89,802.89

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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.