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Finding the Fourth Proportional to 170,668, 235,533.18 and 95,218.12

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Solution

The fourth proportional to 170,668, 235,533.18 and 95,218.12 is: 131,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,668 : 235,533.18 = 95,218.12 : x
  2. Step 2: Convert to fraction form
    170,668/235,533.18 = 95,218.12/x
  3. Step 3: Cross multiply
    170,668x = 235,533.18 × 95,218.12
  4. Step 4: Simplify right side
    170,668x = 22,427,026,597.22
  5. Step 5: Solve for x
    x = 22,427,026,597.22/170,668
  6. Step 6: Final answer
    x = 131,407.33

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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.