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Finding the Fourth Proportional to 175,245.20, 262,905.24 and 64,437.20

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Solution

The fourth proportional to 175,245.20, 262,905.24 and 64,437.20 is: 96,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,245.20 : 262,905.24 = 64,437.20 : x
  2. Step 2: Convert to fraction form
    175,245.20/262,905.24 = 64,437.20/x
  3. Step 3: Cross multiply
    175,245.20x = 262,905.24 × 64,437.20
  4. Step 4: Simplify right side
    175,245.20x = 16,940,877,530.93
  5. Step 5: Solve for x
    x = 16,940,877,530.93/175,245.20
  6. Step 6: Final answer
    x = 96,669.57

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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.