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Finding the Fourth Proportional to 100,372.42, 150,510.98 and 58,265.42

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Solution

The fourth proportional to 100,372.42, 150,510.98 and 58,265.42 is: 87,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,372.42 : 150,510.98 = 58,265.42 : x
  2. Step 2: Convert to fraction form
    100,372.42/150,510.98 = 58,265.42/x
  3. Step 3: Cross multiply
    100,372.42x = 150,510.98 × 58,265.42
  4. Step 4: Simplify right side
    100,372.42x = 8,769,584,420.43
  5. Step 5: Solve for x
    x = 8,769,584,420.43/100,372.42
  6. Step 6: Final answer
    x = 87,370.46

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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.