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Finding the Fourth Proportional to 116,286.30, 174,195.90 and 53,019.39

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Solution

The fourth proportional to 116,286.30, 174,195.90 and 53,019.39 is: 79,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,286.30 : 174,195.90 = 53,019.39 : x
  2. Step 2: Convert to fraction form
    116,286.30/174,195.90 = 53,019.39/x
  3. Step 3: Cross multiply
    116,286.30x = 174,195.90 × 53,019.39
  4. Step 4: Simplify right side
    116,286.30x = 9,235,760,358.50
  5. Step 5: Solve for x
    x = 9,235,760,358.50/116,286.30
  6. Step 6: Final answer
    x = 79,422.60

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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.