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Finding the Fourth Proportional to 86,843.04, 119,843.38 and 47,099.04

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Solution

The fourth proportional to 86,843.04, 119,843.38 and 47,099.04 is: 64,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,843.04 : 119,843.38 = 47,099.04 : x
  2. Step 2: Convert to fraction form
    86,843.04/119,843.38 = 47,099.04/x
  3. Step 3: Cross multiply
    86,843.04x = 119,843.38 × 47,099.04
  4. Step 4: Simplify right side
    86,843.04x = 5,644,508,148.36
  5. Step 5: Solve for x
    x = 5,644,508,148.36/86,843.04
  6. Step 6: Final answer
    x = 64,996.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.