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Finding the Fourth Proportional to 332,756.58, 499,134.45 and 80,036.94

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Solution

The fourth proportional to 332,756.58, 499,134.45 and 80,036.94 is: 120,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,756.58 : 499,134.45 = 80,036.94 : x
  2. Step 2: Convert to fraction form
    332,756.58/499,134.45 = 80,036.94/x
  3. Step 3: Cross multiply
    332,756.58x = 499,134.45 × 80,036.94
  4. Step 4: Simplify right side
    332,756.58x = 39,949,194,026.58
  5. Step 5: Solve for x
    x = 39,949,194,026.58/332,756.58
  6. Step 6: Final answer
    x = 120,055.31

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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.