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Finding the Fourth Proportional to 223,417.88, 335,123.92 and 54,939.68

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Solution

The fourth proportional to 223,417.88, 335,123.92 and 54,939.68 is: 82,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,417.88 : 335,123.92 = 54,939.68 : x
  2. Step 2: Convert to fraction form
    223,417.88/335,123.92 = 54,939.68/x
  3. Step 3: Cross multiply
    223,417.88x = 335,123.92 × 54,939.68
  4. Step 4: Simplify right side
    223,417.88x = 18,411,600,925.15
  5. Step 5: Solve for x
    x = 18,411,600,925.15/223,417.88
  6. Step 6: Final answer
    x = 82,408.81

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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.