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Finding the Fourth Proportional to 79,299.56, 109,433.28 and 45,765.56

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Solution

The fourth proportional to 79,299.56, 109,433.28 and 45,765.56 is: 63,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.56 : 109,433.28 = 45,765.56 : x
  2. Step 2: Convert to fraction form
    79,299.56/109,433.28 = 45,765.56/x
  3. Step 3: Cross multiply
    79,299.56x = 109,433.28 × 45,765.56
  4. Step 4: Simplify right side
    79,299.56x = 5,008,275,341.84
  5. Step 5: Solve for x
    x = 5,008,275,341.84/79,299.56
  6. Step 6: Final answer
    x = 63,156.41

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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.