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Finding the Fourth Proportional to 272,410.80, 408,543.30 and 94,899.30

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Solution

The fourth proportional to 272,410.80, 408,543.30 and 94,899.30 is: 142,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,410.80 : 408,543.30 = 94,899.30 : x
  2. Step 2: Convert to fraction form
    272,410.80/408,543.30 = 94,899.30/x
  3. Step 3: Cross multiply
    272,410.80x = 408,543.30 × 94,899.30
  4. Step 4: Simplify right side
    272,410.80x = 38,770,473,189.69
  5. Step 5: Solve for x
    x = 38,770,473,189.69/272,410.80
  6. Step 6: Final answer
    x = 142,323.55

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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.