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Finding the Fourth Proportional to 167,345.44, 250,390.72 and 99,629.76

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Solution

The fourth proportional to 167,345.44, 250,390.72 and 99,629.76 is: 149,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,345.44 : 250,390.72 = 99,629.76 : x
  2. Step 2: Convert to fraction form
    167,345.44/250,390.72 = 99,629.76/x
  3. Step 3: Cross multiply
    167,345.44x = 250,390.72 × 99,629.76
  4. Step 4: Simplify right side
    167,345.44x = 24,946,367,339.83
  5. Step 5: Solve for x
    x = 24,946,367,339.83/167,345.44
  6. Step 6: Final answer
    x = 149,071.09

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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.