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Finding the Fourth Proportional to 171,209.54, 256,748.16 and 58,868.48

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Solution

The fourth proportional to 171,209.54, 256,748.16 and 58,868.48 is: 88,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,209.54 : 256,748.16 = 58,868.48 : x
  2. Step 2: Convert to fraction form
    171,209.54/256,748.16 = 58,868.48/x
  3. Step 3: Cross multiply
    171,209.54x = 256,748.16 × 58,868.48
  4. Step 4: Simplify right side
    171,209.54x = 15,114,373,922.00
  5. Step 5: Solve for x
    x = 15,114,373,922.00/171,209.54
  6. Step 6: Final answer
    x = 88,279.98

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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.