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Finding the Fourth Proportional to 131,293.62, 181,165.53 and 73,924.62

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Solution

The fourth proportional to 131,293.62, 181,165.53 and 73,924.62 is: 102,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293.62 : 181,165.53 = 73,924.62 : x
  2. Step 2: Convert to fraction form
    131,293.62/181,165.53 = 73,924.62/x
  3. Step 3: Cross multiply
    131,293.62x = 181,165.53 × 73,924.62
  4. Step 4: Simplify right side
    131,293.62x = 13,392,592,962.35
  5. Step 5: Solve for x
    x = 13,392,592,962.35/131,293.62
  6. Step 6: Final answer
    x = 102,004.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.