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Finding the Fourth Proportional to 111,602.10, 167,350.32 and 43,245.66

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Solution

The fourth proportional to 111,602.10, 167,350.32 and 43,245.66 is: 64,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,602.10 : 167,350.32 = 43,245.66 : x
  2. Step 2: Convert to fraction form
    111,602.10/167,350.32 = 43,245.66/x
  3. Step 3: Cross multiply
    111,602.10x = 167,350.32 × 43,245.66
  4. Step 4: Simplify right side
    111,602.10x = 7,237,175,667.17
  5. Step 5: Solve for x
    x = 7,237,175,667.17/111,602.10
  6. Step 6: Final answer
    x = 64,848.02

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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.