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Finding the Fourth Proportional to 355,440.44, 533,160.66 and 118,783.11

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Solution

The fourth proportional to 355,440.44, 533,160.66 and 118,783.11 is: 178,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,440.44 : 533,160.66 = 118,783.11 : x
  2. Step 2: Convert to fraction form
    355,440.44/533,160.66 = 118,783.11/x
  3. Step 3: Cross multiply
    355,440.44x = 533,160.66 × 118,783.11
  4. Step 4: Simplify right side
    355,440.44x = 63,330,481,324.45
  5. Step 5: Solve for x
    x = 63,330,481,324.45/355,440.44
  6. Step 6: Final answer
    x = 178,174.67

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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.