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Finding the Fourth Proportional to 167,866.92, 231,656.40 and 92,415.42

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Solution

The fourth proportional to 167,866.92, 231,656.40 and 92,415.42 is: 127,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,866.92 : 231,656.40 = 92,415.42 : x
  2. Step 2: Convert to fraction form
    167,866.92/231,656.40 = 92,415.42/x
  3. Step 3: Cross multiply
    167,866.92x = 231,656.40 × 92,415.42
  4. Step 4: Simplify right side
    167,866.92x = 21,408,623,501.69
  5. Step 5: Solve for x
    x = 21,408,623,501.69/167,866.92
  6. Step 6: Final answer
    x = 127,533.31

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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.