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Finding the Fourth Proportional to 111,602.96, 167,331.12 and 63,573.20

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Solution

The fourth proportional to 111,602.96, 167,331.12 and 63,573.20 is: 95,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,602.96 : 167,331.12 = 63,573.20 : x
  2. Step 2: Convert to fraction form
    111,602.96/167,331.12 = 63,573.20/x
  3. Step 3: Cross multiply
    111,602.96x = 167,331.12 × 63,573.20
  4. Step 4: Simplify right side
    111,602.96x = 10,637,774,757.98
  5. Step 5: Solve for x
    x = 10,637,774,757.98/111,602.96
  6. Step 6: Final answer
    x = 95,318.03

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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.