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Finding the Fourth Proportional to 108,416.61, 162,640.41 and 33,543.15

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Solution

The fourth proportional to 108,416.61, 162,640.41 and 33,543.15 is: 50,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,416.61 : 162,640.41 = 33,543.15 : x
  2. Step 2: Convert to fraction form
    108,416.61/162,640.41 = 33,543.15/x
  3. Step 3: Cross multiply
    108,416.61x = 162,640.41 × 33,543.15
  4. Step 4: Simplify right side
    108,416.61x = 5,455,471,668.69
  5. Step 5: Solve for x
    x = 5,455,471,668.69/108,416.61
  6. Step 6: Final answer
    x = 50,319.52

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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.