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Finding the Fourth Proportional to 176,761.38, 265,142.61 and 43,641.65

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Solution

The fourth proportional to 176,761.38, 265,142.61 and 43,641.65 is: 65,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,761.38 : 265,142.61 = 43,641.65 : x
  2. Step 2: Convert to fraction form
    176,761.38/265,142.61 = 43,641.65/x
  3. Step 3: Cross multiply
    176,761.38x = 265,142.61 × 43,641.65
  4. Step 4: Simplify right side
    176,761.38x = 11,571,259,659.99
  5. Step 5: Solve for x
    x = 11,571,259,659.99/176,761.38
  6. Step 6: Final answer
    x = 65,462.60

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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.