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Finding the Fourth Proportional to 66,174.98, 99,303.47 and 26,732.43

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Solution

The fourth proportional to 66,174.98, 99,303.47 and 26,732.43 is: 40,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174.98 : 99,303.47 = 26,732.43 : x
  2. Step 2: Convert to fraction form
    66,174.98/99,303.47 = 26,732.43/x
  3. Step 3: Cross multiply
    66,174.98x = 99,303.47 × 26,732.43
  4. Step 4: Simplify right side
    66,174.98x = 2,654,623,027.12
  5. Step 5: Solve for x
    x = 2,654,623,027.12/66,174.98
  6. Step 6: Final answer
    x = 40,115.21

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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.