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Finding the Fourth Proportional to 161,893.25, 223,412.69 and 94,825.25

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Solution

The fourth proportional to 161,893.25, 223,412.69 and 94,825.25 is: 130,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,893.25 : 223,412.69 = 94,825.25 : x
  2. Step 2: Convert to fraction form
    161,893.25/223,412.69 = 94,825.25/x
  3. Step 3: Cross multiply
    161,893.25x = 223,412.69 × 94,825.25
  4. Step 4: Simplify right side
    161,893.25x = 21,185,163,708.30
  5. Step 5: Solve for x
    x = 21,185,163,708.30/161,893.25
  6. Step 6: Final answer
    x = 130,858.85

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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.