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Finding the Fourth Proportional to 135,295.61, 202,955.37 and 35,455.42

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Solution

The fourth proportional to 135,295.61, 202,955.37 and 35,455.42 is: 53,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,295.61 : 202,955.37 = 35,455.42 : x
  2. Step 2: Convert to fraction form
    135,295.61/202,955.37 = 35,455.42/x
  3. Step 3: Cross multiply
    135,295.61x = 202,955.37 × 35,455.42
  4. Step 4: Simplify right side
    135,295.61x = 7,195,866,692.55
  5. Step 5: Solve for x
    x = 7,195,866,692.55/135,295.61
  6. Step 6: Final answer
    x = 53,186.25

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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.