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Finding the Fourth Proportional to 201,581.88, 278,186.64 and 110,937

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Solution

The fourth proportional to 201,581.88, 278,186.64 and 110,937 is: 153,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,581.88 : 278,186.64 = 110,937 : x
  2. Step 2: Convert to fraction form
    201,581.88/278,186.64 = 110,937/x
  3. Step 3: Cross multiply
    201,581.88x = 278,186.64 × 110,937
  4. Step 4: Simplify right side
    201,581.88x = 30,861,191,281.68
  5. Step 5: Solve for x
    x = 30,861,191,281.68/201,581.88
  6. Step 6: Final answer
    x = 153,095.07

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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.