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Finding the Fourth Proportional to 66,364.65, 99,609.51 and 44,193.54

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Solution

The fourth proportional to 66,364.65, 99,609.51 and 44,193.54 is: 66,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.65 : 99,609.51 = 44,193.54 : x
  2. Step 2: Convert to fraction form
    66,364.65/99,609.51 = 44,193.54/x
  3. Step 3: Cross multiply
    66,364.65x = 99,609.51 × 44,193.54
  4. Step 4: Simplify right side
    66,364.65x = 4,402,096,864.57
  5. Step 5: Solve for x
    x = 4,402,096,864.57/66,364.65
  6. Step 6: Final answer
    x = 66,331.95

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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.