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Finding the Fourth Proportional to 168,665.98, 253,035.40 and 63,484.64

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Solution

The fourth proportional to 168,665.98, 253,035.40 and 63,484.64 is: 95,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,665.98 : 253,035.40 = 63,484.64 : x
  2. Step 2: Convert to fraction form
    168,665.98/253,035.40 = 63,484.64/x
  3. Step 3: Cross multiply
    168,665.98x = 253,035.40 × 63,484.64
  4. Step 4: Simplify right side
    168,665.98x = 16,063,861,276.26
  5. Step 5: Solve for x
    x = 16,063,861,276.26/168,665.98
  6. Step 6: Final answer
    x = 95,240.67

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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.