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Finding the Fourth Proportional to 215,744.37, 323,189.37 and 101,736.06

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Solution

The fourth proportional to 215,744.37, 323,189.37 and 101,736.06 is: 152,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,744.37 : 323,189.37 = 101,736.06 : x
  2. Step 2: Convert to fraction form
    215,744.37/323,189.37 = 101,736.06/x
  3. Step 3: Cross multiply
    215,744.37x = 323,189.37 × 101,736.06
  4. Step 4: Simplify right side
    215,744.37x = 32,880,013,137.68
  5. Step 5: Solve for x
    x = 32,880,013,137.68/215,744.37
  6. Step 6: Final answer
    x = 152,402.65

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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.