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Finding the Fourth Proportional to 62,107.94, 93,161.94 and 19,988.02

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Solution

The fourth proportional to 62,107.94, 93,161.94 and 19,988.02 is: 29,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.94 : 93,161.94 = 19,988.02 : x
  2. Step 2: Convert to fraction form
    62,107.94/93,161.94 = 19,988.02/x
  3. Step 3: Cross multiply
    62,107.94x = 93,161.94 × 19,988.02
  4. Step 4: Simplify right side
    62,107.94x = 1,862,122,254.15
  5. Step 5: Solve for x
    x = 1,862,122,254.15/62,107.94
  6. Step 6: Final answer
    x = 29,982.03

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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.