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Finding the Fourth Proportional to 201,331.87, 277,839.86 and 110,688.48

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Solution

The fourth proportional to 201,331.87, 277,839.86 and 110,688.48 is: 152,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,331.87 : 277,839.86 = 110,688.48 : x
  2. Step 2: Convert to fraction form
    201,331.87/277,839.86 = 110,688.48/x
  3. Step 3: Cross multiply
    201,331.87x = 277,839.86 × 110,688.48
  4. Step 4: Simplify right side
    201,331.87x = 30,753,671,786.81
  5. Step 5: Solve for x
    x = 30,753,671,786.81/201,331.87
  6. Step 6: Final answer
    x = 152,751.14

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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.