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Finding the Fourth Proportional to 158,673.70, 237,861.18 and 53,419.14

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Solution

The fourth proportional to 158,673.70, 237,861.18 and 53,419.14 is: 80,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,673.70 : 237,861.18 = 53,419.14 : x
  2. Step 2: Convert to fraction form
    158,673.70/237,861.18 = 53,419.14/x
  3. Step 3: Cross multiply
    158,673.70x = 237,861.18 × 53,419.14
  4. Step 4: Simplify right side
    158,673.70x = 12,706,339,674.99
  5. Step 5: Solve for x
    x = 12,706,339,674.99/158,673.70
  6. Step 6: Final answer
    x = 80,078.42

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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.