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Finding the Fourth Proportional to 272,426.68, 375,859.20 and 164,955.88

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Solution

The fourth proportional to 272,426.68, 375,859.20 and 164,955.88 is: 227,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,426.68 : 375,859.20 = 164,955.88 : x
  2. Step 2: Convert to fraction form
    272,426.68/375,859.20 = 164,955.88/x
  3. Step 3: Cross multiply
    272,426.68x = 375,859.20 × 164,955.88
  4. Step 4: Simplify right side
    272,426.68x = 62,000,185,092.10
  5. Step 5: Solve for x
    x = 62,000,185,092.10/272,426.68
  6. Step 6: Final answer
    x = 227,584.85

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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.