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Finding the Fourth Proportional to 269,030.50, 403,573.08 and 91,549.98

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Solution

The fourth proportional to 269,030.50, 403,573.08 and 91,549.98 is: 137,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,030.50 : 403,573.08 = 91,549.98 : x
  2. Step 2: Convert to fraction form
    269,030.50/403,573.08 = 91,549.98/x
  3. Step 3: Cross multiply
    269,030.50x = 403,573.08 × 91,549.98
  4. Step 4: Simplify right side
    269,030.50x = 36,947,107,745.85
  5. Step 5: Solve for x
    x = 36,947,107,745.85/269,030.50
  6. Step 6: Final answer
    x = 137,334.27

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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.