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Finding the Fourth Proportional to 111,262.40, 166,893.60 and 44,712.80

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Solution

The fourth proportional to 111,262.40, 166,893.60 and 44,712.80 is: 67,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,262.40 : 166,893.60 = 44,712.80 : x
  2. Step 2: Convert to fraction form
    111,262.40/166,893.60 = 44,712.80/x
  3. Step 3: Cross multiply
    111,262.40x = 166,893.60 × 44,712.80
  4. Step 4: Simplify right side
    111,262.40x = 7,462,280,158.08
  5. Step 5: Solve for x
    x = 7,462,280,158.08/111,262.40
  6. Step 6: Final answer
    x = 67,069.20

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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.