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Finding the Fourth Proportional to 69,259.42, 103,897.64 and 23,674.66

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Solution

The fourth proportional to 69,259.42, 103,897.64 and 23,674.66 is: 35,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,259.42 : 103,897.64 = 23,674.66 : x
  2. Step 2: Convert to fraction form
    69,259.42/103,897.64 = 23,674.66/x
  3. Step 3: Cross multiply
    69,259.42x = 103,897.64 × 23,674.66
  4. Step 4: Simplify right side
    69,259.42x = 2,459,741,301.80
  5. Step 5: Solve for x
    x = 2,459,741,301.80/69,259.42
  6. Step 6: Final answer
    x = 35,514.90

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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.