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Finding the Fourth Proportional to 175,672.40, 263,443.80 and 57,347.60

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Solution

The fourth proportional to 175,672.40, 263,443.80 and 57,347.60 is: 86,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,672.40 : 263,443.80 = 57,347.60 : x
  2. Step 2: Convert to fraction form
    175,672.40/263,443.80 = 57,347.60/x
  3. Step 3: Cross multiply
    175,672.40x = 263,443.80 × 57,347.60
  4. Step 4: Simplify right side
    175,672.40x = 15,107,869,664.88
  5. Step 5: Solve for x
    x = 15,107,869,664.88/175,672.40
  6. Step 6: Final answer
    x = 86,000.25

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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.