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Finding the Fourth Proportional to 167,881.20, 251,821.80 and 93,999.60

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Solution

The fourth proportional to 167,881.20, 251,821.80 and 93,999.60 is: 140,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,881.20 : 251,821.80 = 93,999.60 : x
  2. Step 2: Convert to fraction form
    167,881.20/251,821.80 = 93,999.60/x
  3. Step 3: Cross multiply
    167,881.20x = 251,821.80 × 93,999.60
  4. Step 4: Simplify right side
    167,881.20x = 23,671,148,471.28
  5. Step 5: Solve for x
    x = 23,671,148,471.28/167,881.20
  6. Step 6: Final answer
    x = 140,999.40

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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.