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Finding the Fourth Proportional to 176,510.49, 264,763.45 and 43,391.90

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Solution

The fourth proportional to 176,510.49, 264,763.45 and 43,391.90 is: 65,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,510.49 : 264,763.45 = 43,391.90 : x
  2. Step 2: Convert to fraction form
    176,510.49/264,763.45 = 43,391.90/x
  3. Step 3: Cross multiply
    176,510.49x = 264,763.45 × 43,391.90
  4. Step 4: Simplify right side
    176,510.49x = 11,488,589,146.06
  5. Step 5: Solve for x
    x = 11,488,589,146.06/176,510.49
  6. Step 6: Final answer
    x = 65,087.29

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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.