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Finding the Fourth Proportional to 234,230.72, 323,235.36 and 126,798.56

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Solution

The fourth proportional to 234,230.72, 323,235.36 and 126,798.56 is: 174,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.72 : 323,235.36 = 126,798.56 : x
  2. Step 2: Convert to fraction form
    234,230.72/323,235.36 = 126,798.56/x
  3. Step 3: Cross multiply
    234,230.72x = 323,235.36 × 126,798.56
  4. Step 4: Simplify right side
    234,230.72x = 40,985,778,189.08
  5. Step 5: Solve for x
    x = 40,985,778,189.08/234,230.72
  6. Step 6: Final answer
    x = 174,980.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.