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Finding the Fourth Proportional to 111,438.12, 167,162.76 and 36,551.64

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Solution

The fourth proportional to 111,438.12, 167,162.76 and 36,551.64 is: 54,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,438.12 : 167,162.76 = 36,551.64 : x
  2. Step 2: Convert to fraction form
    111,438.12/167,162.76 = 36,551.64/x
  3. Step 3: Cross multiply
    111,438.12x = 167,162.76 × 36,551.64
  4. Step 4: Simplify right side
    111,438.12x = 6,110,073,024.93
  5. Step 5: Solve for x
    x = 6,110,073,024.93/111,438.12
  6. Step 6: Final answer
    x = 54,829.29

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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.