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Finding the Fourth Proportional to 77,599.54, 107,084.43 and 43,609.48

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Solution

The fourth proportional to 77,599.54, 107,084.43 and 43,609.48 is: 60,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,599.54 : 107,084.43 = 43,609.48 : x
  2. Step 2: Convert to fraction form
    77,599.54/107,084.43 = 43,609.48/x
  3. Step 3: Cross multiply
    77,599.54x = 107,084.43 × 43,609.48
  4. Step 4: Simplify right side
    77,599.54x = 4,669,896,308.40
  5. Step 5: Solve for x
    x = 4,669,896,308.40/77,599.54
  6. Step 6: Final answer
    x = 60,179.43

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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.