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Finding the Fourth Proportional to 171,440.88, 236,701.08 and 104,486.64

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Solution

The fourth proportional to 171,440.88, 236,701.08 and 104,486.64 is: 144,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,440.88 : 236,701.08 = 104,486.64 : x
  2. Step 2: Convert to fraction form
    171,440.88/236,701.08 = 104,486.64/x
  3. Step 3: Cross multiply
    171,440.88x = 236,701.08 × 104,486.64
  4. Step 4: Simplify right side
    171,440.88x = 24,732,100,533.57
  5. Step 5: Solve for x
    x = 24,732,100,533.57/171,440.88
  6. Step 6: Final answer
    x = 144,260.23

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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.