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Finding the Fourth Proportional to 223,246.98, 334,892.59 and 71,405.91

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Solution

The fourth proportional to 223,246.98, 334,892.59 and 71,405.91 is: 107,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,246.98 : 334,892.59 = 71,405.91 : x
  2. Step 2: Convert to fraction form
    223,246.98/334,892.59 = 71,405.91/x
  3. Step 3: Cross multiply
    223,246.98x = 334,892.59 × 71,405.91
  4. Step 4: Simplify right side
    223,246.98x = 23,913,309,962.69
  5. Step 5: Solve for x
    x = 23,913,309,962.69/223,246.98
  6. Step 6: Final answer
    x = 107,115.94

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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.