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Finding the Fourth Proportional to 171,622.60, 236,800.56 and 103,650.64

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Solution

The fourth proportional to 171,622.60, 236,800.56 and 103,650.64 is: 143,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,622.60 : 236,800.56 = 103,650.64 : x
  2. Step 2: Convert to fraction form
    171,622.60/236,800.56 = 103,650.64/x
  3. Step 3: Cross multiply
    171,622.60x = 236,800.56 × 103,650.64
  4. Step 4: Simplify right side
    171,622.60x = 24,544,529,596.36
  5. Step 5: Solve for x
    x = 24,544,529,596.36/171,622.60
  6. Step 6: Final answer
    x = 143,014.55

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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.