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Finding the Fourth Proportional to 175,648.40, 263,472.60 and 112,662.80

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Solution

The fourth proportional to 175,648.40, 263,472.60 and 112,662.80 is: 168,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,648.40 : 263,472.60 = 112,662.80 : x
  2. Step 2: Convert to fraction form
    175,648.40/263,472.60 = 112,662.80/x
  3. Step 3: Cross multiply
    175,648.40x = 263,472.60 × 112,662.80
  4. Step 4: Simplify right side
    175,648.40x = 29,683,560,839.28
  5. Step 5: Solve for x
    x = 29,683,560,839.28/175,648.40
  6. Step 6: Final answer
    x = 168,994.20

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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.