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Finding the Fourth Proportional to 267,212.63, 368,759.39 and 152,488.98

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Solution

The fourth proportional to 267,212.63, 368,759.39 and 152,488.98 is: 210,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,212.63 : 368,759.39 = 152,488.98 : x
  2. Step 2: Convert to fraction form
    267,212.63/368,759.39 = 152,488.98/x
  3. Step 3: Cross multiply
    267,212.63x = 368,759.39 × 152,488.98
  4. Step 4: Simplify right side
    267,212.63x = 56,231,743,246.52
  5. Step 5: Solve for x
    x = 56,231,743,246.52/267,212.63
  6. Step 6: Final answer
    x = 210,438.19

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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.