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Finding the Fourth Proportional to 170,275, 234,979.44 and 98,696.52

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Solution

The fourth proportional to 170,275, 234,979.44 and 98,696.52 is: 136,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,275 : 234,979.44 = 98,696.52 : x
  2. Step 2: Convert to fraction form
    170,275/234,979.44 = 98,696.52/x
  3. Step 3: Cross multiply
    170,275x = 234,979.44 × 98,696.52
  4. Step 4: Simplify right side
    170,275x = 23,191,652,999.55
  5. Step 5: Solve for x
    x = 23,191,652,999.55/170,275
  6. Step 6: Final answer
    x = 136,201.16

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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.