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Finding the Fourth Proportional to 267,607.62, 369,295.47 and 154,427.94

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Solution

The fourth proportional to 267,607.62, 369,295.47 and 154,427.94 is: 213,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,607.62 : 369,295.47 = 154,427.94 : x
  2. Step 2: Convert to fraction form
    267,607.62/369,295.47 = 154,427.94/x
  3. Step 3: Cross multiply
    267,607.62x = 369,295.47 × 154,427.94
  4. Step 4: Simplify right side
    267,607.62x = 57,029,538,683.43
  5. Step 5: Solve for x
    x = 57,029,538,683.43/267,607.62
  6. Step 6: Final answer
    x = 213,108.80

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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.