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Finding the Fourth Proportional to 168,259.56, 252,438.03 and 54,404.94

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Solution

The fourth proportional to 168,259.56, 252,438.03 and 54,404.94 is: 81,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,259.56 : 252,438.03 = 54,404.94 : x
  2. Step 2: Convert to fraction form
    168,259.56/252,438.03 = 54,404.94/x
  3. Step 3: Cross multiply
    168,259.56x = 252,438.03 × 54,404.94
  4. Step 4: Simplify right side
    168,259.56x = 13,733,875,875.87
  5. Step 5: Solve for x
    x = 13,733,875,875.87/168,259.56
  6. Step 6: Final answer
    x = 81,623.15

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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.