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Finding the Fourth Proportional to 267,713.24, 369,393.08 and 153,028.22

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Solution

The fourth proportional to 267,713.24, 369,393.08 and 153,028.22 is: 211,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,713.24 : 369,393.08 = 153,028.22 : x
  2. Step 2: Convert to fraction form
    267,713.24/369,393.08 = 153,028.22/x
  3. Step 3: Cross multiply
    267,713.24x = 369,393.08 × 153,028.22
  4. Step 4: Simplify right side
    267,713.24x = 56,527,562,900.61
  5. Step 5: Solve for x
    x = 56,527,562,900.61/267,713.24
  6. Step 6: Final answer
    x = 211,149.68

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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.