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Finding the Fourth Proportional to 176,355.90, 264,579.41 and 76,493.23

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Solution

The fourth proportional to 176,355.90, 264,579.41 and 76,493.23 is: 114,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,355.90 : 264,579.41 = 76,493.23 : x
  2. Step 2: Convert to fraction form
    176,355.90/264,579.41 = 76,493.23/x
  3. Step 3: Cross multiply
    176,355.90x = 264,579.41 × 76,493.23
  4. Step 4: Simplify right side
    176,355.90x = 20,238,533,192.18
  5. Step 5: Solve for x
    x = 20,238,533,192.18/176,355.90
  6. Step 6: Final answer
    x = 114,759.60

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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.