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Finding the Fourth Proportional to 132,805.76, 199,247.54 and 42,846.65

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Solution

The fourth proportional to 132,805.76, 199,247.54 and 42,846.65 is: 64,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805.76 : 199,247.54 = 42,846.65 : x
  2. Step 2: Convert to fraction form
    132,805.76/199,247.54 = 42,846.65/x
  3. Step 3: Cross multiply
    132,805.76x = 199,247.54 × 42,846.65
  4. Step 4: Simplify right side
    132,805.76x = 8,537,089,609.74
  5. Step 5: Solve for x
    x = 8,537,089,609.74/132,805.76
  6. Step 6: Final answer
    x = 64,282.53

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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.