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Finding the Fourth Proportional to 111,664.89, 167,403.13 and 48,437.42

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Solution

The fourth proportional to 111,664.89, 167,403.13 and 48,437.42 is: 72,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,664.89 : 167,403.13 = 48,437.42 : x
  2. Step 2: Convert to fraction form
    111,664.89/167,403.13 = 48,437.42/x
  3. Step 3: Cross multiply
    111,664.89x = 167,403.13 × 48,437.42
  4. Step 4: Simplify right side
    111,664.89x = 8,108,574,759.02
  5. Step 5: Solve for x
    x = 8,108,574,759.02/111,664.89
  6. Step 6: Final answer
    x = 72,615.26

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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.