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Finding the Fourth Proportional to 175,364.80, 263,047.20 and 119,377.60

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Solution

The fourth proportional to 175,364.80, 263,047.20 and 119,377.60 is: 179,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,364.80 : 263,047.20 = 119,377.60 : x
  2. Step 2: Convert to fraction form
    175,364.80/263,047.20 = 119,377.60/x
  3. Step 3: Cross multiply
    175,364.80x = 263,047.20 × 119,377.60
  4. Step 4: Simplify right side
    175,364.80x = 31,401,943,422.72
  5. Step 5: Solve for x
    x = 31,401,943,422.72/175,364.80
  6. Step 6: Final answer
    x = 179,066.40

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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.