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Finding the Fourth Proportional to 168,995.21, 233,211.39 and 92,513.39

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Solution

The fourth proportional to 168,995.21, 233,211.39 and 92,513.39 is: 127,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,995.21 : 233,211.39 = 92,513.39 : x
  2. Step 2: Convert to fraction form
    168,995.21/233,211.39 = 92,513.39/x
  3. Step 3: Cross multiply
    168,995.21x = 233,211.39 × 92,513.39
  4. Step 4: Simplify right side
    168,995.21x = 21,575,176,275.51
  5. Step 5: Solve for x
    x = 21,575,176,275.51/168,995.21
  6. Step 6: Final answer
    x = 127,667.38

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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.