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Finding the Fourth Proportional to 111,801.51, 167,702.27 and 28,695.51

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Solution

The fourth proportional to 111,801.51, 167,702.27 and 28,695.51 is: 43,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,801.51 : 167,702.27 = 28,695.51 : x
  2. Step 2: Convert to fraction form
    111,801.51/167,702.27 = 28,695.51/x
  3. Step 3: Cross multiply
    111,801.51x = 167,702.27 × 28,695.51
  4. Step 4: Simplify right side
    111,801.51x = 4,812,302,022.33
  5. Step 5: Solve for x
    x = 4,812,302,022.33/111,801.51
  6. Step 6: Final answer
    x = 43,043.27

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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.