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Finding the Fourth Proportional to 170,094.36, 234,759 and 98,517.90

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Solution

The fourth proportional to 170,094.36, 234,759 and 98,517.90 is: 135,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,094.36 : 234,759 = 98,517.90 : x
  2. Step 2: Convert to fraction form
    170,094.36/234,759 = 98,517.90/x
  3. Step 3: Cross multiply
    170,094.36x = 234,759 × 98,517.90
  4. Step 4: Simplify right side
    170,094.36x = 23,127,963,686.10
  5. Step 5: Solve for x
    x = 23,127,963,686.10/170,094.36
  6. Step 6: Final answer
    x = 135,971.37

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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.