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Finding the Fourth Proportional to 302,074.70, 453,082.75 and 91,714.46

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Solution

The fourth proportional to 302,074.70, 453,082.75 and 91,714.46 is: 137,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,074.70 : 453,082.75 = 91,714.46 : x
  2. Step 2: Convert to fraction form
    302,074.70/453,082.75 = 91,714.46/x
  3. Step 3: Cross multiply
    302,074.70x = 453,082.75 × 91,714.46
  4. Step 4: Simplify right side
    302,074.70x = 41,554,237,256.87
  5. Step 5: Solve for x
    x = 41,554,237,256.87/302,074.70
  6. Step 6: Final answer
    x = 137,562.79

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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.