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Finding the Fourth Proportional to 170,015.70, 255,023.55 and 151,644.90

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Solution

The fourth proportional to 170,015.70, 255,023.55 and 151,644.90 is: 227,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,015.70 : 255,023.55 = 151,644.90 : x
  2. Step 2: Convert to fraction form
    170,015.70/255,023.55 = 151,644.90/x
  3. Step 3: Cross multiply
    170,015.70x = 255,023.55 × 151,644.90
  4. Step 4: Simplify right side
    170,015.70x = 38,673,020,737.40
  5. Step 5: Solve for x
    x = 38,673,020,737.40/170,015.70
  6. Step 6: Final answer
    x = 227,467.35

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1.5x scale

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.