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Finding the Fourth Proportional to 104,422.53, 156,608.69 and 48,208.64

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Solution

The fourth proportional to 104,422.53, 156,608.69 and 48,208.64 is: 72,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.53 : 156,608.69 = 48,208.64 : x
  2. Step 2: Convert to fraction form
    104,422.53/156,608.69 = 48,208.64/x
  3. Step 3: Cross multiply
    104,422.53x = 156,608.69 × 48,208.64
  4. Step 4: Simplify right side
    104,422.53x = 7,549,891,957.08
  5. Step 5: Solve for x
    x = 7,549,891,957.08/104,422.53
  6. Step 6: Final answer
    x = 72,301.37

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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.