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Finding the Fourth Proportional to 156,674.78, 235,012.17 and 94,738.94

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Solution

The fourth proportional to 156,674.78, 235,012.17 and 94,738.94 is: 142,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,674.78 : 235,012.17 = 94,738.94 : x
  2. Step 2: Convert to fraction form
    156,674.78/235,012.17 = 94,738.94/x
  3. Step 3: Cross multiply
    156,674.78x = 235,012.17 × 94,738.94
  4. Step 4: Simplify right side
    156,674.78x = 22,264,803,872.90
  5. Step 5: Solve for x
    x = 22,264,803,872.90/156,674.78
  6. Step 6: Final answer
    x = 142,108.41

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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.