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Finding the Fourth Proportional to 163,679.14, 225,875 and 92,059.14

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Solution

The fourth proportional to 163,679.14, 225,875 and 92,059.14 is: 127,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.14 : 225,875 = 92,059.14 : x
  2. Step 2: Convert to fraction form
    163,679.14/225,875 = 92,059.14/x
  3. Step 3: Cross multiply
    163,679.14x = 225,875 × 92,059.14
  4. Step 4: Simplify right side
    163,679.14x = 20,793,858,247.50
  5. Step 5: Solve for x
    x = 20,793,858,247.50/163,679.14
  6. Step 6: Final answer
    x = 127,040.37

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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.