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Finding the Fourth Proportional to 119,243.37, 178,873.34 and 40,330.92

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Solution

The fourth proportional to 119,243.37, 178,873.34 and 40,330.92 is: 60,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,243.37 : 178,873.34 = 40,330.92 : x
  2. Step 2: Convert to fraction form
    119,243.37/178,873.34 = 40,330.92/x
  3. Step 3: Cross multiply
    119,243.37x = 178,873.34 × 40,330.92
  4. Step 4: Simplify right side
    119,243.37x = 7,214,126,164.02
  5. Step 5: Solve for x
    x = 7,214,126,164.02/119,243.37
  6. Step 6: Final answer
    x = 60,499.18

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1.5x scale

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.