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Finding the Fourth Proportional to 74,656.56, 111,950.82 and 32,534.94

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Solution

The fourth proportional to 74,656.56, 111,950.82 and 32,534.94 is: 48,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656.56 : 111,950.82 = 32,534.94 : x
  2. Step 2: Convert to fraction form
    74,656.56/111,950.82 = 32,534.94/x
  3. Step 3: Cross multiply
    74,656.56x = 111,950.82 × 32,534.94
  4. Step 4: Simplify right side
    74,656.56x = 3,642,313,211.65
  5. Step 5: Solve for x
    x = 3,642,313,211.65/74,656.56
  6. Step 6: Final answer
    x = 48,787.58

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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.