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Finding the Fourth Proportional to 111,410.70, 167,069.07 and 47,342.94

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Solution

The fourth proportional to 111,410.70, 167,069.07 and 47,342.94 is: 70,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,410.70 : 167,069.07 = 47,342.94 : x
  2. Step 2: Convert to fraction form
    111,410.70/167,069.07 = 47,342.94/x
  3. Step 3: Cross multiply
    111,410.70x = 167,069.07 × 47,342.94
  4. Step 4: Simplify right side
    111,410.70x = 7,909,540,956.87
  5. Step 5: Solve for x
    x = 7,909,540,956.87/111,410.70
  6. Step 6: Final answer
    x = 70,994.45

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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.