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Finding the Fourth Proportional to 193,152.20, 289,728.30 and 163,700.60

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Solution

The fourth proportional to 193,152.20, 289,728.30 and 163,700.60 is: 245,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,152.20 : 289,728.30 = 163,700.60 : x
  2. Step 2: Convert to fraction form
    193,152.20/289,728.30 = 163,700.60/x
  3. Step 3: Cross multiply
    193,152.20x = 289,728.30 × 163,700.60
  4. Step 4: Simplify right side
    193,152.20x = 47,428,696,546.98
  5. Step 5: Solve for x
    x = 47,428,696,546.98/193,152.20
  6. Step 6: Final answer
    x = 245,550.90

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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.