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Finding the Fourth Proportional to 329,132.51, 493,674.14 and 118,770.44

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Solution

The fourth proportional to 329,132.51, 493,674.14 and 118,770.44 is: 178,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,132.51 : 493,674.14 = 118,770.44 : x
  2. Step 2: Convert to fraction form
    329,132.51/493,674.14 = 118,770.44/x
  3. Step 3: Cross multiply
    329,132.51x = 493,674.14 × 118,770.44
  4. Step 4: Simplify right side
    329,132.51x = 58,633,891,762.20
  5. Step 5: Solve for x
    x = 58,633,891,762.20/329,132.51
  6. Step 6: Final answer
    x = 178,146.77

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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.