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Finding the Fourth Proportional to 108,384.85, 162,536.83 and 37,287.38

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Solution

The fourth proportional to 108,384.85, 162,536.83 and 37,287.38 is: 55,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,384.85 : 162,536.83 = 37,287.38 : x
  2. Step 2: Convert to fraction form
    108,384.85/162,536.83 = 37,287.38/x
  3. Step 3: Cross multiply
    108,384.85x = 162,536.83 × 37,287.38
  4. Step 4: Simplify right side
    108,384.85x = 6,060,572,544.21
  5. Step 5: Solve for x
    x = 6,060,572,544.21/108,384.85
  6. Step 6: Final answer
    x = 55,917.16

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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.