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Finding the Fourth Proportional to 111,507.60, 167,261.40 and 36,639.30

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Solution

The fourth proportional to 111,507.60, 167,261.40 and 36,639.30 is: 54,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,507.60 : 167,261.40 = 36,639.30 : x
  2. Step 2: Convert to fraction form
    111,507.60/167,261.40 = 36,639.30/x
  3. Step 3: Cross multiply
    111,507.60x = 167,261.40 × 36,639.30
  4. Step 4: Simplify right side
    111,507.60x = 6,128,340,613.02
  5. Step 5: Solve for x
    x = 6,128,340,613.02/111,507.60
  6. Step 6: Final answer
    x = 54,958.95

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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.