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Finding the Fourth Proportional to 176,003.20, 263,486.40 and 165,750.40

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Solution

The fourth proportional to 176,003.20, 263,486.40 and 165,750.40 is: 248,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,003.20 : 263,486.40 = 165,750.40 : x
  2. Step 2: Convert to fraction form
    176,003.20/263,486.40 = 165,750.40/x
  3. Step 3: Cross multiply
    176,003.20x = 263,486.40 × 165,750.40
  4. Step 4: Simplify right side
    176,003.20x = 43,672,976,194.56
  5. Step 5: Solve for x
    x = 43,672,976,194.56/176,003.20
  6. Step 6: Final answer
    x = 248,137.40

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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.