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Finding the Fourth Proportional to 176,757.90, 265,137.41 and 43,638.17

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Solution

The fourth proportional to 176,757.90, 265,137.41 and 43,638.17 is: 65,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,757.90 : 265,137.41 = 43,638.17 : x
  2. Step 2: Convert to fraction form
    176,757.90/265,137.41 = 43,638.17/x
  3. Step 3: Cross multiply
    176,757.90x = 265,137.41 × 43,638.17
  4. Step 4: Simplify right side
    176,757.90x = 11,570,111,370.94
  5. Step 5: Solve for x
    x = 11,570,111,370.94/176,757.90
  6. Step 6: Final answer
    x = 65,457.39

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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.