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Finding the Fourth Proportional to 161,801.55, 223,285.41 and 93,857.94

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Solution

The fourth proportional to 161,801.55, 223,285.41 and 93,857.94 is: 129,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,801.55 : 223,285.41 = 93,857.94 : x
  2. Step 2: Convert to fraction form
    161,801.55/223,285.41 = 93,857.94/x
  3. Step 3: Cross multiply
    161,801.55x = 223,285.41 × 93,857.94
  4. Step 4: Simplify right side
    161,801.55x = 20,957,108,614.66
  5. Step 5: Solve for x
    x = 20,957,108,614.66/161,801.55
  6. Step 6: Final answer
    x = 129,523.53

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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.