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Finding the Fourth Proportional to 159,080.94, 219,300.48 and 111,185.64

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Solution

The fourth proportional to 159,080.94, 219,300.48 and 111,185.64 is: 153,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,080.94 : 219,300.48 = 111,185.64 : x
  2. Step 2: Convert to fraction form
    159,080.94/219,300.48 = 111,185.64/x
  3. Step 3: Cross multiply
    159,080.94x = 219,300.48 × 111,185.64
  4. Step 4: Simplify right side
    159,080.94x = 24,383,064,221.11
  5. Step 5: Solve for x
    x = 24,383,064,221.11/159,080.94
  6. Step 6: Final answer
    x = 153,274.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.