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Finding the Fourth Proportional to 100,374.76, 150,514.46 and 58,267.76

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Solution

The fourth proportional to 100,374.76, 150,514.46 and 58,267.76 is: 87,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,374.76 : 150,514.46 = 58,267.76 : x
  2. Step 2: Convert to fraction form
    100,374.76/150,514.46 = 58,267.76/x
  3. Step 3: Cross multiply
    100,374.76x = 150,514.46 × 58,267.76
  4. Step 4: Simplify right side
    100,374.76x = 8,770,140,431.81
  5. Step 5: Solve for x
    x = 8,770,140,431.81/100,374.76
  6. Step 6: Final answer
    x = 87,373.96

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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.