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Finding the Fourth Proportional to 267,760.16, 369,509.20 and 148,528.16

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Solution

The fourth proportional to 267,760.16, 369,509.20 and 148,528.16 is: 204,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,760.16 : 369,509.20 = 148,528.16 : x
  2. Step 2: Convert to fraction form
    267,760.16/369,509.20 = 148,528.16/x
  3. Step 3: Cross multiply
    267,760.16x = 369,509.20 × 148,528.16
  4. Step 4: Simplify right side
    267,760.16x = 54,882,521,579.07
  5. Step 5: Solve for x
    x = 54,882,521,579.07/267,760.16
  6. Step 6: Final answer
    x = 204,968.96

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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.