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Finding the Fourth Proportional to 229,855.60, 344,044.68 and 122,972.88

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Solution

The fourth proportional to 229,855.60, 344,044.68 and 122,972.88 is: 184,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,855.60 : 344,044.68 = 122,972.88 : x
  2. Step 2: Convert to fraction form
    229,855.60/344,044.68 = 122,972.88/x
  3. Step 3: Cross multiply
    229,855.60x = 344,044.68 × 122,972.88
  4. Step 4: Simplify right side
    229,855.60x = 42,308,165,148.28
  5. Step 5: Solve for x
    x = 42,308,165,148.28/229,855.60
  6. Step 6: Final answer
    x = 184,064.10

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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.