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Finding the Fourth Proportional to 245,114.65, 367,672.26 and 76,635.86

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Solution

The fourth proportional to 245,114.65, 367,672.26 and 76,635.86 is: 114,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,114.65 : 367,672.26 = 76,635.86 : x
  2. Step 2: Convert to fraction form
    245,114.65/367,672.26 = 76,635.86/x
  3. Step 3: Cross multiply
    245,114.65x = 367,672.26 × 76,635.86
  4. Step 4: Simplify right side
    245,114.65x = 28,176,878,004.88
  5. Step 5: Solve for x
    x = 28,176,878,004.88/245,114.65
  6. Step 6: Final answer
    x = 114,953.87

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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.