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Finding the Fourth Proportional to 176,440, 264,660 and 45,112

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Solution

The fourth proportional to 176,440, 264,660 and 45,112 is: 67,668

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,440 : 264,660 = 45,112 : x
  2. Step 2: Convert to fraction form
    176,440/264,660 = 45,112/x
  3. Step 3: Cross multiply
    176,440x = 264,660 × 45,112
  4. Step 4: Simplify right side
    176,440x = 11,939,341,920
  5. Step 5: Solve for x
    x = 11,939,341,920/176,440
  6. Step 6: Final answer
    x = 67,668

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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.