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Finding the Fourth Proportional to 172,759.72, 238,425.78 and 104,774.44

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Solution

The fourth proportional to 172,759.72, 238,425.78 and 104,774.44 is: 144,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,759.72 : 238,425.78 = 104,774.44 : x
  2. Step 2: Convert to fraction form
    172,759.72/238,425.78 = 104,774.44/x
  3. Step 3: Cross multiply
    172,759.72x = 238,425.78 × 104,774.44
  4. Step 4: Simplify right side
    172,759.72x = 24,980,927,581.06
  5. Step 5: Solve for x
    x = 24,980,927,581.06/172,759.72
  6. Step 6: Final answer
    x = 144,599.26

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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.