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Finding the Fourth Proportional to 170,264.88, 234,968.04 and 98,650.08

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Solution

The fourth proportional to 170,264.88, 234,968.04 and 98,650.08 is: 136,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,264.88 : 234,968.04 = 98,650.08 : x
  2. Step 2: Convert to fraction form
    170,264.88/234,968.04 = 98,650.08/x
  3. Step 3: Cross multiply
    170,264.88x = 234,968.04 × 98,650.08
  4. Step 4: Simplify right side
    170,264.88x = 23,179,615,943.44
  5. Step 5: Solve for x
    x = 23,179,615,943.44/170,264.88
  6. Step 6: Final answer
    x = 136,138.56

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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.