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Finding the Fourth Proportional to 164,798.78, 246,521.36 and 131,583.71

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Solution

The fourth proportional to 164,798.78, 246,521.36 and 131,583.71 is: 196,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,798.78 : 246,521.36 = 131,583.71 : x
  2. Step 2: Convert to fraction form
    164,798.78/246,521.36 = 131,583.71/x
  3. Step 3: Cross multiply
    164,798.78x = 246,521.36 × 131,583.71
  4. Step 4: Simplify right side
    164,798.78x = 32,438,193,252.52
  5. Step 5: Solve for x
    x = 32,438,193,252.52/164,798.78
  6. Step 6: Final answer
    x = 196,835.16

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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.