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Finding the Fourth Proportional to 234,783.60, 323,992.60 and 127,350.06

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Solution

The fourth proportional to 234,783.60, 323,992.60 and 127,350.06 is: 175,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,783.60 : 323,992.60 = 127,350.06 : x
  2. Step 2: Convert to fraction form
    234,783.60/323,992.60 = 127,350.06/x
  3. Step 3: Cross multiply
    234,783.60x = 323,992.60 × 127,350.06
  4. Step 4: Simplify right side
    234,783.60x = 41,260,477,049.56
  5. Step 5: Solve for x
    x = 41,260,477,049.56/234,783.60
  6. Step 6: Final answer
    x = 175,738.33

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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.