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Finding the Fourth Proportional to 253,027.20, 349,212.64 and 145,595.20

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Solution

The fourth proportional to 253,027.20, 349,212.64 and 145,595.20 is: 200,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,027.20 : 349,212.64 = 145,595.20 : x
  2. Step 2: Convert to fraction form
    253,027.20/349,212.64 = 145,595.20/x
  3. Step 3: Cross multiply
    253,027.20x = 349,212.64 × 145,595.20
  4. Step 4: Simplify right side
    253,027.20x = 50,843,684,163.33
  5. Step 5: Solve for x
    x = 50,843,684,163.33/253,027.20
  6. Step 6: Final answer
    x = 200,941.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.