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Finding the Fourth Proportional to 108,432.69, 162,668.81 and 33,547.74

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Solution

The fourth proportional to 108,432.69, 162,668.81 and 33,547.74 is: 50,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,432.69 : 162,668.81 = 33,547.74 : x
  2. Step 2: Convert to fraction form
    108,432.69/162,668.81 = 33,547.74/x
  3. Step 3: Cross multiply
    108,432.69x = 162,668.81 × 33,547.74
  4. Step 4: Simplify right side
    108,432.69x = 5,457,170,943.99
  5. Step 5: Solve for x
    x = 5,457,170,943.99/108,432.69
  6. Step 6: Final answer
    x = 50,327.73

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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.