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Finding the Fourth Proportional to 100,584.64, 150,647.28 and 48,031.12

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Solution

The fourth proportional to 100,584.64, 150,647.28 and 48,031.12 is: 71,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,584.64 : 150,647.28 = 48,031.12 : x
  2. Step 2: Convert to fraction form
    100,584.64/150,647.28 = 48,031.12/x
  3. Step 3: Cross multiply
    100,584.64x = 150,647.28 × 48,031.12
  4. Step 4: Simplify right side
    100,584.64x = 7,235,757,583.35
  5. Step 5: Solve for x
    x = 7,235,757,583.35/100,584.64
  6. Step 6: Final answer
    x = 71,937.00

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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.