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Finding the Fourth Proportional to 112,351.68, 168,484.59 and 37,457.46

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Solution

The fourth proportional to 112,351.68, 168,484.59 and 37,457.46 is: 56,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,351.68 : 168,484.59 = 37,457.46 : x
  2. Step 2: Convert to fraction form
    112,351.68/168,484.59 = 37,457.46/x
  3. Step 3: Cross multiply
    112,351.68x = 168,484.59 × 37,457.46
  4. Step 4: Simplify right side
    112,351.68x = 6,311,004,790.54
  5. Step 5: Solve for x
    x = 6,311,004,790.54/112,351.68
  6. Step 6: Final answer
    x = 56,171.88

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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.