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Finding the Fourth Proportional to 173,237.40, 259,661.70 and 73,380.60

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Solution

The fourth proportional to 173,237.40, 259,661.70 and 73,380.60 is: 109,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,237.40 : 259,661.70 = 73,380.60 : x
  2. Step 2: Convert to fraction form
    173,237.40/259,661.70 = 73,380.60/x
  3. Step 3: Cross multiply
    173,237.40x = 259,661.70 × 73,380.60
  4. Step 4: Simplify right side
    173,237.40x = 19,054,131,343.02
  5. Step 5: Solve for x
    x = 19,054,131,343.02/173,237.40
  6. Step 6: Final answer
    x = 109,988.56

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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.