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Finding the Fourth Proportional to 178,454.68, 268,100.34 and 168,367.48

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Solution

The fourth proportional to 178,454.68, 268,100.34 and 168,367.48 is: 252,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,454.68 : 268,100.34 = 168,367.48 : x
  2. Step 2: Convert to fraction form
    178,454.68/268,100.34 = 168,367.48/x
  3. Step 3: Cross multiply
    178,454.68x = 268,100.34 × 168,367.48
  4. Step 4: Simplify right side
    178,454.68x = 45,139,378,632.94
  5. Step 5: Solve for x
    x = 45,139,378,632.94/178,454.68
  6. Step 6: Final answer
    x = 252,945.89

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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.