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Finding the Fourth Proportional to 171,267.09, 256,925.24 and 52,947.66

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Solution

The fourth proportional to 171,267.09, 256,925.24 and 52,947.66 is: 79,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,267.09 : 256,925.24 = 52,947.66 : x
  2. Step 2: Convert to fraction form
    171,267.09/256,925.24 = 52,947.66/x
  3. Step 3: Cross multiply
    171,267.09x = 256,925.24 × 52,947.66
  4. Step 4: Simplify right side
    171,267.09x = 13,603,589,988.20
  5. Step 5: Solve for x
    x = 13,603,589,988.20/171,267.09
  6. Step 6: Final answer
    x = 79,429.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.