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Finding the Fourth Proportional to 111,114.02, 166,671.11 and 28,008.02

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Solution

The fourth proportional to 111,114.02, 166,671.11 and 28,008.02 is: 42,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,114.02 : 166,671.11 = 28,008.02 : x
  2. Step 2: Convert to fraction form
    111,114.02/166,671.11 = 28,008.02/x
  3. Step 3: Cross multiply
    111,114.02x = 166,671.11 × 28,008.02
  4. Step 4: Simplify right side
    111,114.02x = 4,668,127,782.30
  5. Step 5: Solve for x
    x = 4,668,127,782.30/111,114.02
  6. Step 6: Final answer
    x = 42,012.05

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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.