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Finding the Fourth Proportional to 171,480.93, 236,636.96 and 93,955.19

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Solution

The fourth proportional to 171,480.93, 236,636.96 and 93,955.19 is: 129,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,480.93 : 236,636.96 = 93,955.19 : x
  2. Step 2: Convert to fraction form
    171,480.93/236,636.96 = 93,955.19/x
  3. Step 3: Cross multiply
    171,480.93x = 236,636.96 × 93,955.19
  4. Step 4: Simplify right side
    171,480.93x = 22,233,270,537.82
  5. Step 5: Solve for x
    x = 22,233,270,537.82/171,480.93
  6. Step 6: Final answer
    x = 129,654.48

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1.5x scale

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.