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Finding the Fourth Proportional to 79,996.96, 119,980.68 and 29,384.92

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Solution

The fourth proportional to 79,996.96, 119,980.68 and 29,384.92 is: 44,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,996.96 : 119,980.68 = 29,384.92 : x
  2. Step 2: Convert to fraction form
    79,996.96/119,980.68 = 29,384.92/x
  3. Step 3: Cross multiply
    79,996.96x = 119,980.68 × 29,384.92
  4. Step 4: Simplify right side
    79,996.96x = 3,525,622,683.35
  5. Step 5: Solve for x
    x = 3,525,622,683.35/79,996.96
  6. Step 6: Final answer
    x = 44,071.96

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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.