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Finding the Fourth Proportional to 269,609.94, 404,462.46 and 92,075.34

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Solution

The fourth proportional to 269,609.94, 404,462.46 and 92,075.34 is: 138,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,609.94 : 404,462.46 = 92,075.34 : x
  2. Step 2: Convert to fraction form
    269,609.94/404,462.46 = 92,075.34/x
  3. Step 3: Cross multiply
    269,609.94x = 404,462.46 × 92,075.34
  4. Step 4: Simplify right side
    269,609.94x = 37,241,018,521.74
  5. Step 5: Solve for x
    x = 37,241,018,521.74/269,609.94
  6. Step 6: Final answer
    x = 138,129.25

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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.