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Finding the Fourth Proportional to 171,241.02, 256,886.13 and 52,921.59

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Solution

The fourth proportional to 171,241.02, 256,886.13 and 52,921.59 is: 79,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,241.02 : 256,886.13 = 52,921.59 : x
  2. Step 2: Convert to fraction form
    171,241.02/256,886.13 = 52,921.59/x
  3. Step 3: Cross multiply
    171,241.02x = 256,886.13 × 52,921.59
  4. Step 4: Simplify right side
    171,241.02x = 13,594,821,237.15
  5. Step 5: Solve for x
    x = 13,594,821,237.15/171,241.02
  6. Step 6: Final answer
    x = 79,389.98

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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.