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Finding the Fourth Proportional to 146,245.84, 201,808.20 and 82,574.80

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Solution

The fourth proportional to 146,245.84, 201,808.20 and 82,574.80 is: 113,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,245.84 : 201,808.20 = 82,574.80 : x
  2. Step 2: Convert to fraction form
    146,245.84/201,808.20 = 82,574.80/x
  3. Step 3: Cross multiply
    146,245.84x = 201,808.20 × 82,574.80
  4. Step 4: Simplify right side
    146,245.84x = 16,664,271,753.36
  5. Step 5: Solve for x
    x = 16,664,271,753.36/146,245.84
  6. Step 6: Final answer
    x = 113,946.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.