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Finding the Fourth Proportional to 156,636.84, 234,955.24 and 149,944.62

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Solution

The fourth proportional to 156,636.84, 234,955.24 and 149,944.62 is: 224,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,636.84 : 234,955.24 = 149,944.62 : x
  2. Step 2: Convert to fraction form
    156,636.84/234,955.24 = 149,944.62/x
  3. Step 3: Cross multiply
    156,636.84x = 234,955.24 × 149,944.62
  4. Step 4: Simplify right side
    156,636.84x = 35,230,274,178.81
  5. Step 5: Solve for x
    x = 35,230,274,178.81/156,636.84
  6. Step 6: Final answer
    x = 224,916.91

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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.