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Finding the Fourth Proportional to 175,708.59, 263,579.08 and 57,380.55

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Solution

The fourth proportional to 175,708.59, 263,579.08 and 57,380.55 is: 86,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,708.59 : 263,579.08 = 57,380.55 : x
  2. Step 2: Convert to fraction form
    175,708.59/263,579.08 = 57,380.55/x
  3. Step 3: Cross multiply
    175,708.59x = 263,579.08 × 57,380.55
  4. Step 4: Simplify right side
    175,708.59x = 15,124,311,261.00
  5. Step 5: Solve for x
    x = 15,124,311,261.00/175,708.59
  6. Step 6: Final answer
    x = 86,076.11

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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.