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Finding the Fourth Proportional to 134,699.97, 201,991.40 and 38,616.03

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Solution

The fourth proportional to 134,699.97, 201,991.40 and 38,616.03 is: 57,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,699.97 : 201,991.40 = 38,616.03 : x
  2. Step 2: Convert to fraction form
    134,699.97/201,991.40 = 38,616.03/x
  3. Step 3: Cross multiply
    134,699.97x = 201,991.40 × 38,616.03
  4. Step 4: Simplify right side
    134,699.97x = 7,800,105,769.06
  5. Step 5: Solve for x
    x = 7,800,105,769.06/134,699.97
  6. Step 6: Final answer
    x = 57,907.26

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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.