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Finding the Fourth Proportional to 156,672.78, 235,009.17 and 94,736.94

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Solution

The fourth proportional to 156,672.78, 235,009.17 and 94,736.94 is: 142,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,672.78 : 235,009.17 = 94,736.94 : x
  2. Step 2: Convert to fraction form
    156,672.78/235,009.17 = 94,736.94/x
  3. Step 3: Cross multiply
    156,672.78x = 235,009.17 × 94,736.94
  4. Step 4: Simplify right side
    156,672.78x = 22,264,049,637.74
  5. Step 5: Solve for x
    x = 22,264,049,637.74/156,672.78
  6. Step 6: Final answer
    x = 142,105.41

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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.