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Finding the Fourth Proportional to 76,016.70, 114,057.45 and 47,958.30

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Solution

The fourth proportional to 76,016.70, 114,057.45 and 47,958.30 is: 71,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,016.70 : 114,057.45 = 47,958.30 : x
  2. Step 2: Convert to fraction form
    76,016.70/114,057.45 = 47,958.30/x
  3. Step 3: Cross multiply
    76,016.70x = 114,057.45 × 47,958.30
  4. Step 4: Simplify right side
    76,016.70x = 5,470,001,404.34
  5. Step 5: Solve for x
    x = 5,470,001,404.34/76,016.70
  6. Step 6: Final answer
    x = 71,957.89

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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.