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Finding the Fourth Proportional to 173,066.80, 259,573.20 and 54,767.20

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Solution

The fourth proportional to 173,066.80, 259,573.20 and 54,767.20 is: 82,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,066.80 : 259,573.20 = 54,767.20 : x
  2. Step 2: Convert to fraction form
    173,066.80/259,573.20 = 54,767.20/x
  3. Step 3: Cross multiply
    173,066.80x = 259,573.20 × 54,767.20
  4. Step 4: Simplify right side
    173,066.80x = 14,216,097,359.04
  5. Step 5: Solve for x
    x = 14,216,097,359.04/173,066.80
  6. Step 6: Final answer
    x = 82,142.26

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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.