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Finding the Fourth Proportional to 176,642.93, 243,764.87 and 96,068.72

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Solution

The fourth proportional to 176,642.93, 243,764.87 and 96,068.72 is: 132,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,642.93 : 243,764.87 = 96,068.72 : x
  2. Step 2: Convert to fraction form
    176,642.93/243,764.87 = 96,068.72/x
  3. Step 3: Cross multiply
    176,642.93x = 243,764.87 × 96,068.72
  4. Step 4: Simplify right side
    176,642.93x = 23,418,179,170.94
  5. Step 5: Solve for x
    x = 23,418,179,170.94/176,642.93
  6. Step 6: Final answer
    x = 132,573.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.