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Finding the Fourth Proportional to 147,173.36, 220,606.36 and 68,222.48

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Solution

The fourth proportional to 147,173.36, 220,606.36 and 68,222.48 is: 102,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,173.36 : 220,606.36 = 68,222.48 : x
  2. Step 2: Convert to fraction form
    147,173.36/220,606.36 = 68,222.48/x
  3. Step 3: Cross multiply
    147,173.36x = 220,606.36 × 68,222.48
  4. Step 4: Simplify right side
    147,173.36x = 15,050,312,982.97
  5. Step 5: Solve for x
    x = 15,050,312,982.97/147,173.36
  6. Step 6: Final answer
    x = 102,262.48

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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.