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Finding the Fourth Proportional to 169,623.20, 254,434.80 and 44,964.20

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Solution

The fourth proportional to 169,623.20, 254,434.80 and 44,964.20 is: 67,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,623.20 : 254,434.80 = 44,964.20 : x
  2. Step 2: Convert to fraction form
    169,623.20/254,434.80 = 44,964.20/x
  3. Step 3: Cross multiply
    169,623.20x = 254,434.80 × 44,964.20
  4. Step 4: Simplify right side
    169,623.20x = 11,440,457,234.16
  5. Step 5: Solve for x
    x = 11,440,457,234.16/169,623.20
  6. Step 6: Final answer
    x = 67,446.30

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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.