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Finding the Fourth Proportional to 170,152.99, 255,229.49 and 45,490.75

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Solution

The fourth proportional to 170,152.99, 255,229.49 and 45,490.75 is: 68,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,152.99 : 255,229.49 = 45,490.75 : x
  2. Step 2: Convert to fraction form
    170,152.99/255,229.49 = 45,490.75/x
  3. Step 3: Cross multiply
    170,152.99x = 255,229.49 × 45,490.75
  4. Step 4: Simplify right side
    170,152.99x = 11,610,580,922.22
  5. Step 5: Solve for x
    x = 11,610,580,922.22/170,152.99
  6. Step 6: Final answer
    x = 68,236.13

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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.