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Finding the Fourth Proportional to 173,267.64, 259,933.86 and 54,907.20

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Solution

The fourth proportional to 173,267.64, 259,933.86 and 54,907.20 is: 82,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,267.64 : 259,933.86 = 54,907.20 : x
  2. Step 2: Convert to fraction form
    173,267.64/259,933.86 = 54,907.20/x
  3. Step 3: Cross multiply
    173,267.64x = 259,933.86 × 54,907.20
  4. Step 4: Simplify right side
    173,267.64x = 14,272,240,437.79
  5. Step 5: Solve for x
    x = 14,272,240,437.79/173,267.64
  6. Step 6: Final answer
    x = 82,371.07

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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.