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Finding the Fourth Proportional to 193,082.80, 289,624.20 and 160,423.60

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Solution

The fourth proportional to 193,082.80, 289,624.20 and 160,423.60 is: 240,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,082.80 : 289,624.20 = 160,423.60 : x
  2. Step 2: Convert to fraction form
    193,082.80/289,624.20 = 160,423.60/x
  3. Step 3: Cross multiply
    193,082.80x = 289,624.20 × 160,423.60
  4. Step 4: Simplify right side
    193,082.80x = 46,462,556,811.12
  5. Step 5: Solve for x
    x = 46,462,556,811.12/193,082.80
  6. Step 6: Final answer
    x = 240,635.40

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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.