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Finding the Fourth Proportional to 218,809.99, 301,876.34 and 147,076.39

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Solution

The fourth proportional to 218,809.99, 301,876.34 and 147,076.39 is: 202,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,809.99 : 301,876.34 = 147,076.39 : x
  2. Step 2: Convert to fraction form
    218,809.99/301,876.34 = 147,076.39/x
  3. Step 3: Cross multiply
    218,809.99x = 301,876.34 × 147,076.39
  4. Step 4: Simplify right side
    218,809.99x = 44,398,882,313.61
  5. Step 5: Solve for x
    x = 44,398,882,313.61/218,809.99
  6. Step 6: Final answer
    x = 202,910.67

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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.