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Finding the Fourth Proportional to 352,565.87, 529,105.60 and 127,944.39

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Solution

The fourth proportional to 352,565.87, 529,105.60 and 127,944.39 is: 192,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,565.87 : 529,105.60 = 127,944.39 : x
  2. Step 2: Convert to fraction form
    352,565.87/529,105.60 = 127,944.39/x
  3. Step 3: Cross multiply
    352,565.87x = 529,105.60 × 127,944.39
  4. Step 4: Simplify right side
    352,565.87x = 67,696,095,741.50
  5. Step 5: Solve for x
    x = 67,696,095,741.50/352,565.87
  6. Step 6: Final answer
    x = 192,009.78

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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.