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Finding the Fourth Proportional to 176,047.70, 264,064.21 and 81,246.38

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Solution

The fourth proportional to 176,047.70, 264,064.21 and 81,246.38 is: 121,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,047.70 : 264,064.21 = 81,246.38 : x
  2. Step 2: Convert to fraction form
    176,047.70/264,064.21 = 81,246.38/x
  3. Step 3: Cross multiply
    176,047.70x = 264,064.21 × 81,246.38
  4. Step 4: Simplify right side
    176,047.70x = 21,454,259,626.62
  5. Step 5: Solve for x
    x = 21,454,259,626.62/176,047.70
  6. Step 6: Final answer
    x = 121,866.18

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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.