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Finding the Fourth Proportional to 161,493.80, 241,803.30 and 126,501.80

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Solution

The fourth proportional to 161,493.80, 241,803.30 and 126,501.80 is: 189,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,493.80 : 241,803.30 = 126,501.80 : x
  2. Step 2: Convert to fraction form
    161,493.80/241,803.30 = 126,501.80/x
  3. Step 3: Cross multiply
    161,493.80x = 241,803.30 × 126,501.80
  4. Step 4: Simplify right side
    161,493.80x = 30,588,552,695.94
  5. Step 5: Solve for x
    x = 30,588,552,695.94/161,493.80
  6. Step 6: Final answer
    x = 189,410.07

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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.