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Finding the Fourth Proportional to 272,615.16, 376,182.54 and 201,033.72

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Solution

The fourth proportional to 272,615.16, 376,182.54 and 201,033.72 is: 277,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,615.16 : 376,182.54 = 201,033.72 : x
  2. Step 2: Convert to fraction form
    272,615.16/376,182.54 = 201,033.72/x
  3. Step 3: Cross multiply
    272,615.16x = 376,182.54 × 201,033.72
  4. Step 4: Simplify right side
    272,615.16x = 75,625,375,415.25
  5. Step 5: Solve for x
    x = 75,625,375,415.25/272,615.16
  6. Step 6: Final answer
    x = 277,407.08

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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.