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Finding the Fourth Proportional to 170,596.88, 235,347.62 and 98,935.37

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Solution

The fourth proportional to 170,596.88, 235,347.62 and 98,935.37 is: 136,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,596.88 : 235,347.62 = 98,935.37 : x
  2. Step 2: Convert to fraction form
    170,596.88/235,347.62 = 98,935.37/x
  3. Step 3: Cross multiply
    170,596.88x = 235,347.62 × 98,935.37
  4. Step 4: Simplify right side
    170,596.88x = 23,284,202,191.90
  5. Step 5: Solve for x
    x = 23,284,202,191.90/170,596.88
  6. Step 6: Final answer
    x = 136,486.69

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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.