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Finding the Fourth Proportional to 235,921.60, 325,543.62 and 133,910.20

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Solution

The fourth proportional to 235,921.60, 325,543.62 and 133,910.20 is: 184,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,921.60 : 325,543.62 = 133,910.20 : x
  2. Step 2: Convert to fraction form
    235,921.60/325,543.62 = 133,910.20/x
  3. Step 3: Cross multiply
    235,921.60x = 325,543.62 × 133,910.20
  4. Step 4: Simplify right side
    235,921.60x = 43,593,611,262.92
  5. Step 5: Solve for x
    x = 43,593,611,262.92/235,921.60
  6. Step 6: Final answer
    x = 184,780.08

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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.