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Finding the Fourth Proportional to 170,993.16, 235,963.26 and 94,508.34

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Solution

The fourth proportional to 170,993.16, 235,963.26 and 94,508.34 is: 130,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,993.16 : 235,963.26 = 94,508.34 : x
  2. Step 2: Convert to fraction form
    170,993.16/235,963.26 = 94,508.34/x
  3. Step 3: Cross multiply
    170,993.16x = 235,963.26 × 94,508.34
  4. Step 4: Simplify right side
    170,993.16x = 22,300,496,003.59
  5. Step 5: Solve for x
    x = 22,300,496,003.59/170,993.16
  6. Step 6: Final answer
    x = 130,417.47

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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.