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Finding the Fourth Proportional to 79,054.31, 118,597.34 and 29,134.67

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Solution

The fourth proportional to 79,054.31, 118,597.34 and 29,134.67 is: 43,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,054.31 : 118,597.34 = 29,134.67 : x
  2. Step 2: Convert to fraction form
    79,054.31/118,597.34 = 29,134.67/x
  3. Step 3: Cross multiply
    79,054.31x = 118,597.34 × 29,134.67
  4. Step 4: Simplify right side
    79,054.31x = 3,455,293,625.12
  5. Step 5: Solve for x
    x = 3,455,293,625.12/79,054.31
  6. Step 6: Final answer
    x = 43,707.85

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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.