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Finding the Fourth Proportional to 267,379.13, 368,947.09 and 152,650.48

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Solution

The fourth proportional to 267,379.13, 368,947.09 and 152,650.48 is: 210,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,379.13 : 368,947.09 = 152,650.48 : x
  2. Step 2: Convert to fraction form
    267,379.13/368,947.09 = 152,650.48/x
  3. Step 3: Cross multiply
    267,379.13x = 368,947.09 × 152,650.48
  4. Step 4: Simplify right side
    267,379.13x = 56,319,950,383.10
  5. Step 5: Solve for x
    x = 56,319,950,383.10/267,379.13
  6. Step 6: Final answer
    x = 210,637.05

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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.