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Finding the Fourth Proportional to 71,999.94, 108,048.11 and 29,880.06

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Solution

The fourth proportional to 71,999.94, 108,048.11 and 29,880.06 is: 44,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,999.94 : 108,048.11 = 29,880.06 : x
  2. Step 2: Convert to fraction form
    71,999.94/108,048.11 = 29,880.06/x
  3. Step 3: Cross multiply
    71,999.94x = 108,048.11 × 29,880.06
  4. Step 4: Simplify right side
    71,999.94x = 3,228,484,009.69
  5. Step 5: Solve for x
    x = 3,228,484,009.69/71,999.94
  6. Step 6: Final answer
    x = 44,840.09

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1.5x scale

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.