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Finding the Fourth Proportional to 111,256.52, 166,884.75 and 73,889.57

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Solution

The fourth proportional to 111,256.52, 166,884.75 and 73,889.57 is: 110,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.52 : 166,884.75 = 73,889.57 : x
  2. Step 2: Convert to fraction form
    111,256.52/166,884.75 = 73,889.57/x
  3. Step 3: Cross multiply
    111,256.52x = 166,884.75 × 73,889.57
  4. Step 4: Simplify right side
    111,256.52x = 12,331,041,582.63
  5. Step 5: Solve for x
    x = 12,331,041,582.63/111,256.52
  6. Step 6: Final answer
    x = 110,834.33

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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.