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Finding the Fourth Proportional to 170,015.70, 255,023.55 and 151,353.30

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Solution

The fourth proportional to 170,015.70, 255,023.55 and 151,353.30 is: 227,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,015.70 : 255,023.55 = 151,353.30 : x
  2. Step 2: Convert to fraction form
    170,015.70/255,023.55 = 151,353.30/x
  3. Step 3: Cross multiply
    170,015.70x = 255,023.55 × 151,353.30
  4. Step 4: Simplify right side
    170,015.70x = 38,598,655,870.22
  5. Step 5: Solve for x
    x = 38,598,655,870.22/170,015.70
  6. Step 6: Final answer
    x = 227,029.95

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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.