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Finding the Fourth Proportional to 140,873.55, 211,322.63 and 35,692.52

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Solution

The fourth proportional to 140,873.55, 211,322.63 and 35,692.52 is: 53,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,873.55 : 211,322.63 = 35,692.52 : x
  2. Step 2: Convert to fraction form
    140,873.55/211,322.63 = 35,692.52/x
  3. Step 3: Cross multiply
    140,873.55x = 211,322.63 × 35,692.52
  4. Step 4: Simplify right side
    140,873.55x = 7,542,638,063.57
  5. Step 5: Solve for x
    x = 7,542,638,063.57/140,873.55
  6. Step 6: Final answer
    x = 53,541.90

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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.