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Finding the Fourth Proportional to 234,147.63, 323,123.71 and 126,717.69

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Solution

The fourth proportional to 234,147.63, 323,123.71 and 126,717.69 is: 174,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,147.63 : 323,123.71 = 126,717.69 : x
  2. Step 2: Convert to fraction form
    234,147.63/323,123.71 = 126,717.69/x
  3. Step 3: Cross multiply
    234,147.63x = 323,123.71 × 126,717.69
  4. Step 4: Simplify right side
    234,147.63x = 40,945,490,115.43
  5. Step 5: Solve for x
    x = 40,945,490,115.43/234,147.63
  6. Step 6: Final answer
    x = 174,870.40

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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.