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Finding the Fourth Proportional to 112,907.78, 169,345.21 and 32,924.27

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Solution

The fourth proportional to 112,907.78, 169,345.21 and 32,924.27 is: 49,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.78 : 169,345.21 = 32,924.27 : x
  2. Step 2: Convert to fraction form
    112,907.78/169,345.21 = 32,924.27/x
  3. Step 3: Cross multiply
    112,907.78x = 169,345.21 × 32,924.27
  4. Step 4: Simplify right side
    112,907.78x = 5,575,567,758.30
  5. Step 5: Solve for x
    x = 5,575,567,758.30/112,907.78
  6. Step 6: Final answer
    x = 49,381.61

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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.