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Finding the Fourth Proportional to 100,520.63, 150,551.29 and 47,967.02

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Solution

The fourth proportional to 100,520.63, 150,551.29 and 47,967.02 is: 71,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,520.63 : 150,551.29 = 47,967.02 : x
  2. Step 2: Convert to fraction form
    100,520.63/150,551.29 = 47,967.02/x
  3. Step 3: Cross multiply
    100,520.63x = 150,551.29 × 47,967.02
  4. Step 4: Simplify right side
    100,520.63x = 7,221,496,610.23
  5. Step 5: Solve for x
    x = 7,221,496,610.23/100,520.63
  6. Step 6: Final answer
    x = 71,840.94

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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.