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Finding the Fourth Proportional to 150,892.92, 208,237.86 and 90,473.40

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Solution

The fourth proportional to 150,892.92, 208,237.86 and 90,473.40 is: 124,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,892.92 : 208,237.86 = 90,473.40 : x
  2. Step 2: Convert to fraction form
    150,892.92/208,237.86 = 90,473.40/x
  3. Step 3: Cross multiply
    150,892.92x = 208,237.86 × 90,473.40
  4. Step 4: Simplify right side
    150,892.92x = 18,839,987,202.92
  5. Step 5: Solve for x
    x = 18,839,987,202.92/150,892.92
  6. Step 6: Final answer
    x = 124,856.67

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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.