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Finding the Fourth Proportional to 135,066.40, 202,599.60 and 133,098.10

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Solution

The fourth proportional to 135,066.40, 202,599.60 and 133,098.10 is: 199,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,066.40 : 202,599.60 = 133,098.10 : x
  2. Step 2: Convert to fraction form
    135,066.40/202,599.60 = 133,098.10/x
  3. Step 3: Cross multiply
    135,066.40x = 202,599.60 × 133,098.10
  4. Step 4: Simplify right side
    135,066.40x = 26,965,621,820.76
  5. Step 5: Solve for x
    x = 26,965,621,820.76/135,066.40
  6. Step 6: Final answer
    x = 199,647.15

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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.