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Finding the Fourth Proportional to 234,230.83, 323,238.65 and 126,800.86

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Solution

The fourth proportional to 234,230.83, 323,238.65 and 126,800.86 is: 174,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.83 : 323,238.65 = 126,800.86 : x
  2. Step 2: Convert to fraction form
    234,230.83/323,238.65 = 126,800.86/x
  3. Step 3: Cross multiply
    234,230.83x = 323,238.65 × 126,800.86
  4. Step 4: Simplify right side
    234,230.83x = 40,986,938,682.47
  5. Step 5: Solve for x
    x = 40,986,938,682.47/234,230.83
  6. Step 6: Final answer
    x = 174,985.24

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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.