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Finding the Fourth Proportional to 168,259.76, 252,335.02 and 55,909.81

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Solution

The fourth proportional to 168,259.76, 252,335.02 and 55,909.81 is: 83,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,259.76 : 252,335.02 = 55,909.81 : x
  2. Step 2: Convert to fraction form
    168,259.76/252,335.02 = 55,909.81/x
  3. Step 3: Cross multiply
    168,259.76x = 252,335.02 × 55,909.81
  4. Step 4: Simplify right side
    168,259.76x = 14,108,003,024.55
  5. Step 5: Solve for x
    x = 14,108,003,024.55/168,259.76
  6. Step 6: Final answer
    x = 83,846.57

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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.