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Finding the Fourth Proportional to 267,557.62, 369,215.37 and 152,813.71

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Solution

The fourth proportional to 267,557.62, 369,215.37 and 152,813.71 is: 210,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,557.62 : 369,215.37 = 152,813.71 : x
  2. Step 2: Convert to fraction form
    267,557.62/369,215.37 = 152,813.71/x
  3. Step 3: Cross multiply
    267,557.62x = 369,215.37 × 152,813.71
  4. Step 4: Simplify right side
    267,557.62x = 56,421,170,478.72
  5. Step 5: Solve for x
    x = 56,421,170,478.72/267,557.62
  6. Step 6: Final answer
    x = 210,874.84

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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.