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Finding the Fourth Proportional to 267,653.76, 369,362.18 and 148,421.76

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Solution

The fourth proportional to 267,653.76, 369,362.18 and 148,421.76 is: 204,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,653.76 : 369,362.18 = 148,421.76 : x
  2. Step 2: Convert to fraction form
    267,653.76/369,362.18 = 148,421.76/x
  3. Step 3: Cross multiply
    267,653.76x = 369,362.18 × 148,421.76
  4. Step 4: Simplify right side
    267,653.76x = 54,821,384,833.04
  5. Step 5: Solve for x
    x = 54,821,384,833.04/267,653.76
  6. Step 6: Final answer
    x = 204,822.02

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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.