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Finding the Fourth Proportional to 111,650.40, 167,216.40 and 109,058.40

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Solution

The fourth proportional to 111,650.40, 167,216.40 and 109,058.40 is: 163,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,650.40 : 167,216.40 = 109,058.40 : x
  2. Step 2: Convert to fraction form
    111,650.40/167,216.40 = 109,058.40/x
  3. Step 3: Cross multiply
    111,650.40x = 167,216.40 × 109,058.40
  4. Step 4: Simplify right side
    111,650.40x = 18,236,353,037.76
  5. Step 5: Solve for x
    x = 18,236,353,037.76/111,650.40
  6. Step 6: Final answer
    x = 163,334.42

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1.5x scale

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.