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Finding the Fourth Proportional to 178,911, 246,949.02 and 119,295

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Solution

The fourth proportional to 178,911, 246,949.02 and 119,295 is: 164,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,911 : 246,949.02 = 119,295 : x
  2. Step 2: Convert to fraction form
    178,911/246,949.02 = 119,295/x
  3. Step 3: Cross multiply
    178,911x = 246,949.02 × 119,295
  4. Step 4: Simplify right side
    178,911x = 29,459,783,340.90
  5. Step 5: Solve for x
    x = 29,459,783,340.90/178,911
  6. Step 6: Final answer
    x = 164,661.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.