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Finding the Fourth Proportional to 162,282.49, 223,960.34 and 90,662.90

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Solution

The fourth proportional to 162,282.49, 223,960.34 and 90,662.90 is: 125,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,282.49 : 223,960.34 = 90,662.90 : x
  2. Step 2: Convert to fraction form
    162,282.49/223,960.34 = 90,662.90/x
  3. Step 3: Cross multiply
    162,282.49x = 223,960.34 × 90,662.90
  4. Step 4: Simplify right side
    162,282.49x = 20,304,893,016.24
  5. Step 5: Solve for x
    x = 20,304,893,016.24/162,282.49
  6. Step 6: Final answer
    x = 125,120.67

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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.