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Finding the Fourth Proportional to 111,256.30, 166,900.65 and 36,358.30

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Solution

The fourth proportional to 111,256.30, 166,900.65 and 36,358.30 is: 54,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.30 : 166,900.65 = 36,358.30 : x
  2. Step 2: Convert to fraction form
    111,256.30/166,900.65 = 36,358.30/x
  3. Step 3: Cross multiply
    111,256.30x = 166,900.65 × 36,358.30
  4. Step 4: Simplify right side
    111,256.30x = 6,068,223,902.90
  5. Step 5: Solve for x
    x = 6,068,223,902.90/111,256.30
  6. Step 6: Final answer
    x = 54,542.74

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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.