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Finding the Fourth Proportional to 175,365.80, 263,048.70 and 119,378.60

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Solution

The fourth proportional to 175,365.80, 263,048.70 and 119,378.60 is: 179,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,365.80 : 263,048.70 = 119,378.60 : x
  2. Step 2: Convert to fraction form
    175,365.80/263,048.70 = 119,378.60/x
  3. Step 3: Cross multiply
    175,365.80x = 263,048.70 × 119,378.60
  4. Step 4: Simplify right side
    175,365.80x = 31,402,385,537.82
  5. Step 5: Solve for x
    x = 31,402,385,537.82/175,365.80
  6. Step 6: Final answer
    x = 179,067.90

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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.