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Finding the Fourth Proportional to 79,567.76, 109,801.32 and 43,757.76

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Solution

The fourth proportional to 79,567.76, 109,801.32 and 43,757.76 is: 60,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,567.76 : 109,801.32 = 43,757.76 : x
  2. Step 2: Convert to fraction form
    79,567.76/109,801.32 = 43,757.76/x
  3. Step 3: Cross multiply
    79,567.76x = 109,801.32 × 43,757.76
  4. Step 4: Simplify right side
    79,567.76x = 4,804,659,808.24
  5. Step 5: Solve for x
    x = 4,804,659,808.24/79,567.76
  6. Step 6: Final answer
    x = 60,384.51

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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.