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Finding the Fourth Proportional to 193,501.60, 289,906.80 and 158,250.40

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Solution

The fourth proportional to 193,501.60, 289,906.80 and 158,250.40 is: 237,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,501.60 : 289,906.80 = 158,250.40 : x
  2. Step 2: Convert to fraction form
    193,501.60/289,906.80 = 158,250.40/x
  3. Step 3: Cross multiply
    193,501.60x = 289,906.80 × 158,250.40
  4. Step 4: Simplify right side
    193,501.60x = 45,877,867,062.72
  5. Step 5: Solve for x
    x = 45,877,867,062.72/193,501.60
  6. Step 6: Final answer
    x = 237,092.96

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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.