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Finding the Fourth Proportional to 201,760.04, 302,642.50 and 68,643.02

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Solution

The fourth proportional to 201,760.04, 302,642.50 and 68,643.02 is: 102,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,760.04 : 302,642.50 = 68,643.02 : x
  2. Step 2: Convert to fraction form
    201,760.04/302,642.50 = 68,643.02/x
  3. Step 3: Cross multiply
    201,760.04x = 302,642.50 × 68,643.02
  4. Step 4: Simplify right side
    201,760.04x = 20,774,295,180.35
  5. Step 5: Solve for x
    x = 20,774,295,180.35/201,760.04
  6. Step 6: Final answer
    x = 102,965.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.