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Finding the Fourth Proportional to 170,592.31, 255,889.48 and 75,800.21

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Solution

The fourth proportional to 170,592.31, 255,889.48 and 75,800.21 is: 113,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,592.31 : 255,889.48 = 75,800.21 : x
  2. Step 2: Convert to fraction form
    170,592.31/255,889.48 = 75,800.21/x
  3. Step 3: Cross multiply
    170,592.31x = 255,889.48 × 75,800.21
  4. Step 4: Simplify right side
    170,592.31x = 19,396,475,041.34
  5. Step 5: Solve for x
    x = 19,396,475,041.34/170,592.31
  6. Step 6: Final answer
    x = 113,700.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.