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Finding the Fourth Proportional to 66,087.99, 91,202.00 and 35,873.78

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Solution

The fourth proportional to 66,087.99, 91,202.00 and 35,873.78 is: 49,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.99 : 91,202.00 = 35,873.78 : x
  2. Step 2: Convert to fraction form
    66,087.99/91,202.00 = 35,873.78/x
  3. Step 3: Cross multiply
    66,087.99x = 91,202.00 × 35,873.78
  4. Step 4: Simplify right side
    66,087.99x = 3,271,759,848.18
  5. Step 5: Solve for x
    x = 3,271,759,848.18/66,087.99
  6. Step 6: Final answer
    x = 49,506.12

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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.