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Finding the Fourth Proportional to 173,999.36, 260,989.43 and 47,630.45

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Solution

The fourth proportional to 173,999.36, 260,989.43 and 47,630.45 is: 71,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,999.36 : 260,989.43 = 47,630.45 : x
  2. Step 2: Convert to fraction form
    173,999.36/260,989.43 = 47,630.45/x
  3. Step 3: Cross multiply
    173,999.36x = 260,989.43 × 47,630.45
  4. Step 4: Simplify right side
    173,999.36x = 12,431,042,453.04
  5. Step 5: Solve for x
    x = 12,431,042,453.04/173,999.36
  6. Step 6: Final answer
    x = 71,443.04

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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.