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Finding the Fourth Proportional to 151,703.20, 227,992.20 and 132,457.60

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Solution

The fourth proportional to 151,703.20, 227,992.20 and 132,457.60 is: 199,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,703.20 : 227,992.20 = 132,457.60 : x
  2. Step 2: Convert to fraction form
    151,703.20/227,992.20 = 132,457.60/x
  3. Step 3: Cross multiply
    151,703.20x = 227,992.20 × 132,457.60
  4. Step 4: Simplify right side
    151,703.20x = 30,199,299,630.72
  5. Step 5: Solve for x
    x = 30,199,299,630.72/151,703.20
  6. Step 6: Final answer
    x = 199,068.31

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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.