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Finding the Fourth Proportional to 173,907, 239,996.52 and 98,460.36

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Solution

The fourth proportional to 173,907, 239,996.52 and 98,460.36 is: 135,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,907 : 239,996.52 = 98,460.36 : x
  2. Step 2: Convert to fraction form
    173,907/239,996.52 = 98,460.36/x
  3. Step 3: Cross multiply
    173,907x = 239,996.52 × 98,460.36
  4. Step 4: Simplify right side
    173,907x = 23,630,143,757.95
  5. Step 5: Solve for x
    x = 23,630,143,757.95/173,907
  6. Step 6: Final answer
    x = 135,878.05

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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.