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Finding the Fourth Proportional to 176,509.49, 264,761.96 and 43,390.90

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Solution

The fourth proportional to 176,509.49, 264,761.96 and 43,390.90 is: 65,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,509.49 : 264,761.96 = 43,390.90 : x
  2. Step 2: Convert to fraction form
    176,509.49/264,761.96 = 43,390.90/x
  3. Step 3: Cross multiply
    176,509.49x = 264,761.96 × 43,390.90
  4. Step 4: Simplify right side
    176,509.49x = 11,488,259,513.21
  5. Step 5: Solve for x
    x = 11,488,259,513.21/176,509.49
  6. Step 6: Final answer
    x = 65,085.79

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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.