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Finding the Fourth Proportional to 167,318.88, 251,015.76 and 56,508

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Solution

The fourth proportional to 167,318.88, 251,015.76 and 56,508 is: 84,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,318.88 : 251,015.76 = 56,508 : x
  2. Step 2: Convert to fraction form
    167,318.88/251,015.76 = 56,508/x
  3. Step 3: Cross multiply
    167,318.88x = 251,015.76 × 56,508
  4. Step 4: Simplify right side
    167,318.88x = 14,184,398,566.08
  5. Step 5: Solve for x
    x = 14,184,398,566.08/167,318.88
  6. Step 6: Final answer
    x = 84,774.64

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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.