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Finding the Fourth Proportional to 101,259.43, 151,897.80 and 26,379.59

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Solution

The fourth proportional to 101,259.43, 151,897.80 and 26,379.59 is: 39,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,259.43 : 151,897.80 = 26,379.59 : x
  2. Step 2: Convert to fraction form
    101,259.43/151,897.80 = 26,379.59/x
  3. Step 3: Cross multiply
    101,259.43x = 151,897.80 × 26,379.59
  4. Step 4: Simplify right side
    101,259.43x = 4,007,001,731.38
  5. Step 5: Solve for x
    x = 4,007,001,731.38/101,259.43
  6. Step 6: Final answer
    x = 39,571.64

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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.