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Finding the Fourth Proportional to 108,693.62, 163,019.70 and 33,814.70

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Solution

The fourth proportional to 108,693.62, 163,019.70 and 33,814.70 is: 50,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,693.62 : 163,019.70 = 33,814.70 : x
  2. Step 2: Convert to fraction form
    108,693.62/163,019.70 = 33,814.70/x
  3. Step 3: Cross multiply
    108,693.62x = 163,019.70 × 33,814.70
  4. Step 4: Simplify right side
    108,693.62x = 5,512,462,249.59
  5. Step 5: Solve for x
    x = 5,512,462,249.59/108,693.62
  6. Step 6: Final answer
    x = 50,715.60

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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.