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Finding the Fourth Proportional to 79,566.67, 109,800.57 and 43,756.78

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Solution

The fourth proportional to 79,566.67, 109,800.57 and 43,756.78 is: 60,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,566.67 : 109,800.57 = 43,756.78 : x
  2. Step 2: Convert to fraction form
    79,566.67/109,800.57 = 43,756.78/x
  3. Step 3: Cross multiply
    79,566.67x = 109,800.57 × 43,756.78
  4. Step 4: Simplify right side
    79,566.67x = 4,804,519,385.36
  5. Step 5: Solve for x
    x = 4,804,519,385.36/79,566.67
  6. Step 6: Final answer
    x = 60,383.57

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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.