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Finding the Fourth Proportional to 66,744.81, 100,006.41 and 46,981.86

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Solution

The fourth proportional to 66,744.81, 100,006.41 and 46,981.86 is: 70,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,744.81 : 100,006.41 = 46,981.86 : x
  2. Step 2: Convert to fraction form
    66,744.81/100,006.41 = 46,981.86/x
  3. Step 3: Cross multiply
    66,744.81x = 100,006.41 × 46,981.86
  4. Step 4: Simplify right side
    66,744.81x = 4,698,487,153.72
  5. Step 5: Solve for x
    x = 4,698,487,153.72/66,744.81
  6. Step 6: Final answer
    x = 70,394.79

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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.