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Finding the Fourth Proportional to 79,346.54, 109,500.25 and 43,536.54

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Solution

The fourth proportional to 79,346.54, 109,500.25 and 43,536.54 is: 60,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.54 : 109,500.25 = 43,536.54 : x
  2. Step 2: Convert to fraction form
    79,346.54/109,500.25 = 43,536.54/x
  3. Step 3: Cross multiply
    79,346.54x = 109,500.25 × 43,536.54
  4. Step 4: Simplify right side
    79,346.54x = 4,767,262,014.14
  5. Step 5: Solve for x
    x = 4,767,262,014.14/79,346.54
  6. Step 6: Final answer
    x = 60,081.54

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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.