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Finding the Fourth Proportional to 251,256.70, 376,838.58 and 114,447.54

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Solution

The fourth proportional to 251,256.70, 376,838.58 and 114,447.54 is: 171,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,256.70 : 376,838.58 = 114,447.54 : x
  2. Step 2: Convert to fraction form
    251,256.70/376,838.58 = 114,447.54/x
  3. Step 3: Cross multiply
    251,256.70x = 376,838.58 × 114,447.54
  4. Step 4: Simplify right side
    251,256.70x = 43,128,248,458.09
  5. Step 5: Solve for x
    x = 43,128,248,458.09/251,256.70
  6. Step 6: Final answer
    x = 171,650.14

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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.