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Finding the Fourth Proportional to 176,460.84, 264,702.78 and 129,217.32

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Solution

The fourth proportional to 176,460.84, 264,702.78 and 129,217.32 is: 193,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,460.84 : 264,702.78 = 129,217.32 : x
  2. Step 2: Convert to fraction form
    176,460.84/264,702.78 = 129,217.32/x
  3. Step 3: Cross multiply
    176,460.84x = 264,702.78 × 129,217.32
  4. Step 4: Simplify right side
    176,460.84x = 34,204,183,828.15
  5. Step 5: Solve for x
    x = 34,204,183,828.15/176,460.84
  6. Step 6: Final answer
    x = 193,834.42

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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.