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Finding the Fourth Proportional to 135,055.30, 202,583.11 and 35,215.41

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Solution

The fourth proportional to 135,055.30, 202,583.11 and 35,215.41 is: 52,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,055.30 : 202,583.11 = 35,215.41 : x
  2. Step 2: Convert to fraction form
    135,055.30/202,583.11 = 35,215.41/x
  3. Step 3: Cross multiply
    135,055.30x = 202,583.11 × 35,215.41
  4. Step 4: Simplify right side
    135,055.30x = 7,134,047,277.73
  5. Step 5: Solve for x
    x = 7,134,047,277.73/135,055.30
  6. Step 6: Final answer
    x = 52,823.16

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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.