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Finding the Fourth Proportional to 163,697.20, 245,200.20 and 136,049.20

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Solution

The fourth proportional to 163,697.20, 245,200.20 and 136,049.20 is: 203,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,697.20 : 245,200.20 = 136,049.20 : x
  2. Step 2: Convert to fraction form
    163,697.20/245,200.20 = 136,049.20/x
  3. Step 3: Cross multiply
    163,697.20x = 245,200.20 × 136,049.20
  4. Step 4: Simplify right side
    163,697.20x = 33,359,291,049.84
  5. Step 5: Solve for x
    x = 33,359,291,049.84/163,697.20
  6. Step 6: Final answer
    x = 203,786.57

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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.