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Finding the Fourth Proportional to 167,420.94, 231,101.55 and 110,850.54

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Solution

The fourth proportional to 167,420.94, 231,101.55 and 110,850.54 is: 153,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,420.94 : 231,101.55 = 110,850.54 : x
  2. Step 2: Convert to fraction form
    167,420.94/231,101.55 = 110,850.54/x
  3. Step 3: Cross multiply
    167,420.94x = 231,101.55 × 110,850.54
  4. Step 4: Simplify right side
    167,420.94x = 25,617,731,612.34
  5. Step 5: Solve for x
    x = 25,617,731,612.34/167,420.94
  6. Step 6: Final answer
    x = 153,013.90

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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.