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Finding the Fourth Proportional to 234,235.63, 323,243.69 and 126,804.88

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Solution

The fourth proportional to 234,235.63, 323,243.69 and 126,804.88 is: 174,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235.63 : 323,243.69 = 126,804.88 : x
  2. Step 2: Convert to fraction form
    234,235.63/323,243.69 = 126,804.88/x
  3. Step 3: Cross multiply
    234,235.63x = 323,243.69 × 126,804.88
  4. Step 4: Simplify right side
    234,235.63x = 40,988,877,321.21
  5. Step 5: Solve for x
    x = 40,988,877,321.21/234,235.63
  6. Step 6: Final answer
    x = 174,989.93

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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.