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Finding the Fourth Proportional to 240,318.92, 360,533.02 and 127,939.92

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Solution

The fourth proportional to 240,318.92, 360,533.02 and 127,939.92 is: 191,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,318.92 : 360,533.02 = 127,939.92 : x
  2. Step 2: Convert to fraction form
    240,318.92/360,533.02 = 127,939.92/x
  3. Step 3: Cross multiply
    240,318.92x = 360,533.02 × 127,939.92
  4. Step 4: Simplify right side
    240,318.92x = 46,126,565,736.16
  5. Step 5: Solve for x
    x = 46,126,565,736.16/240,318.92
  6. Step 6: Final answer
    x = 191,938.97

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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.