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Finding the Fourth Proportional to 112,304.20, 168,310.20 and 45,666.64

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Solution

The fourth proportional to 112,304.20, 168,310.20 and 45,666.64 is: 68,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,304.20 : 168,310.20 = 45,666.64 : x
  2. Step 2: Convert to fraction form
    112,304.20/168,310.20 = 45,666.64/x
  3. Step 3: Cross multiply
    112,304.20x = 168,310.20 × 45,666.64
  4. Step 4: Simplify right side
    112,304.20x = 7,686,161,311.73
  5. Step 5: Solve for x
    x = 7,686,161,311.73/112,304.20
  6. Step 6: Final answer
    x = 68,440.55

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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.