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Finding the Fourth Proportional to 255,662.93, 383,494.40 and 97,891.38

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Solution

The fourth proportional to 255,662.93, 383,494.40 and 97,891.38 is: 146,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,662.93 : 383,494.40 = 97,891.38 : x
  2. Step 2: Convert to fraction form
    255,662.93/383,494.40 = 97,891.38/x
  3. Step 3: Cross multiply
    255,662.93x = 383,494.40 × 97,891.38
  4. Step 4: Simplify right side
    255,662.93x = 37,540,795,548.82
  5. Step 5: Solve for x
    x = 37,540,795,548.82/255,662.93
  6. Step 6: Final answer
    x = 146,837.07

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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.