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Finding the Fourth Proportional to 180,003.70, 248,416.05 and 103,546.90

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Solution

The fourth proportional to 180,003.70, 248,416.05 and 103,546.90 is: 142,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,003.70 : 248,416.05 = 103,546.90 : x
  2. Step 2: Convert to fraction form
    180,003.70/248,416.05 = 103,546.90/x
  3. Step 3: Cross multiply
    180,003.70x = 248,416.05 × 103,546.90
  4. Step 4: Simplify right side
    180,003.70x = 25,722,711,887.75
  5. Step 5: Solve for x
    x = 25,722,711,887.75/180,003.70
  6. Step 6: Final answer
    x = 142,901.02

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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.