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Finding the Fourth Proportional to 201,332.92, 277,839.61 and 110,690.43

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Solution

The fourth proportional to 201,332.92, 277,839.61 and 110,690.43 is: 152,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,332.92 : 277,839.61 = 110,690.43 : x
  2. Step 2: Convert to fraction form
    201,332.92/277,839.61 = 110,690.43/x
  3. Step 3: Cross multiply
    201,332.92x = 277,839.61 × 110,690.43
  4. Step 4: Simplify right side
    201,332.92x = 30,754,185,676.05
  5. Step 5: Solve for x
    x = 30,754,185,676.05/201,332.92
  6. Step 6: Final answer
    x = 152,752.89

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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.