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Finding the Fourth Proportional to 281,674.02, 422,500.08 and 113,143.80

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Solution

The fourth proportional to 281,674.02, 422,500.08 and 113,143.80 is: 169,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,674.02 : 422,500.08 = 113,143.80 : x
  2. Step 2: Convert to fraction form
    281,674.02/422,500.08 = 113,143.80/x
  3. Step 3: Cross multiply
    281,674.02x = 422,500.08 × 113,143.80
  4. Step 4: Simplify right side
    281,674.02x = 47,803,264,551.50
  5. Step 5: Solve for x
    x = 47,803,264,551.50/281,674.02
  6. Step 6: Final answer
    x = 169,711.30

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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.