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Finding the Fourth Proportional to 119,293.44, 178,935.49 and 40,407.67

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Solution

The fourth proportional to 119,293.44, 178,935.49 and 40,407.67 is: 60,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,293.44 : 178,935.49 = 40,407.67 : x
  2. Step 2: Convert to fraction form
    119,293.44/178,935.49 = 40,407.67/x
  3. Step 3: Cross multiply
    119,293.44x = 178,935.49 × 40,407.67
  4. Step 4: Simplify right side
    119,293.44x = 7,230,365,134.49
  5. Step 5: Solve for x
    x = 7,230,365,134.49/119,293.44
  6. Step 6: Final answer
    x = 60,609.91

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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.