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Finding the Fourth Proportional to 167,910.90, 252,157.95 and 89,178.90

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Solution

The fourth proportional to 167,910.90, 252,157.95 and 89,178.90 is: 133,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,910.90 : 252,157.95 = 89,178.90 : x
  2. Step 2: Convert to fraction form
    167,910.90/252,157.95 = 89,178.90/x
  3. Step 3: Cross multiply
    167,910.90x = 252,157.95 × 89,178.90
  4. Step 4: Simplify right side
    167,910.90x = 22,487,168,607.26
  5. Step 5: Solve for x
    x = 22,487,168,607.26/167,910.90
  6. Step 6: Final answer
    x = 133,923.22

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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.