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Finding the Fourth Proportional to 354,050.63, 531,151.63 and 114,178.21

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Solution

The fourth proportional to 354,050.63, 531,151.63 and 114,178.21 is: 171,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,050.63 : 531,151.63 = 114,178.21 : x
  2. Step 2: Convert to fraction form
    354,050.63/531,151.63 = 114,178.21/x
  3. Step 3: Cross multiply
    354,050.63x = 531,151.63 × 114,178.21
  4. Step 4: Simplify right side
    354,050.63x = 60,645,940,738.66
  5. Step 5: Solve for x
    x = 60,645,940,738.66/354,050.63
  6. Step 6: Final answer
    x = 171,291.72

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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.