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Finding the Fourth Proportional to 234,801.10, 352,201.65 and 155,658.70

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Solution

The fourth proportional to 234,801.10, 352,201.65 and 155,658.70 is: 233,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,801.10 : 352,201.65 = 155,658.70 : x
  2. Step 2: Convert to fraction form
    234,801.10/352,201.65 = 155,658.70/x
  3. Step 3: Cross multiply
    234,801.10x = 352,201.65 × 155,658.70
  4. Step 4: Simplify right side
    234,801.10x = 54,823,250,976.86
  5. Step 5: Solve for x
    x = 54,823,250,976.86/234,801.10
  6. Step 6: Final answer
    x = 233,488.05

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1.5x scale

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.