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Finding the Fourth Proportional to 168,281.66, 252,367.86 and 55,931.66

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Solution

The fourth proportional to 168,281.66, 252,367.86 and 55,931.66 is: 83,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,281.66 : 252,367.86 = 55,931.66 : x
  2. Step 2: Convert to fraction form
    168,281.66/252,367.86 = 55,931.66/x
  3. Step 3: Cross multiply
    168,281.66x = 252,367.86 × 55,931.66
  4. Step 4: Simplify right side
    168,281.66x = 14,115,353,340.45
  5. Step 5: Solve for x
    x = 14,115,353,340.45/168,281.66
  6. Step 6: Final answer
    x = 83,879.33

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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.