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Finding the Fourth Proportional to 111,678.76, 167,554.50 and 52,520.32

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Solution

The fourth proportional to 111,678.76, 167,554.50 and 52,520.32 is: 78,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,678.76 : 167,554.50 = 52,520.32 : x
  2. Step 2: Convert to fraction form
    111,678.76/167,554.50 = 52,520.32/x
  3. Step 3: Cross multiply
    111,678.76x = 167,554.50 × 52,520.32
  4. Step 4: Simplify right side
    111,678.76x = 8,800,015,957.44
  5. Step 5: Solve for x
    x = 8,800,015,957.44/111,678.76
  6. Step 6: Final answer
    x = 78,797.58

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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.