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Finding the Fourth Proportional to 164,470.50, 246,706.97 and 39,811.50

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Solution

The fourth proportional to 164,470.50, 246,706.97 and 39,811.50 is: 59,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,470.50 : 246,706.97 = 39,811.50 : x
  2. Step 2: Convert to fraction form
    164,470.50/246,706.97 = 39,811.50/x
  3. Step 3: Cross multiply
    164,470.50x = 246,706.97 × 39,811.50
  4. Step 4: Simplify right side
    164,470.50x = 9,821,774,337.10
  5. Step 5: Solve for x
    x = 9,821,774,337.10/164,470.50
  6. Step 6: Final answer
    x = 59,717.54

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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.