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Finding the Fourth Proportional to 269,157.56, 403,798.86 and 91,666.08

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Solution

The fourth proportional to 269,157.56, 403,798.86 and 91,666.08 is: 137,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,157.56 : 403,798.86 = 91,666.08 : x
  2. Step 2: Convert to fraction form
    269,157.56/403,798.86 = 91,666.08/x
  3. Step 3: Cross multiply
    269,157.56x = 403,798.86 × 91,666.08
  4. Step 4: Simplify right side
    269,157.56x = 37,014,658,604.67
  5. Step 5: Solve for x
    x = 37,014,658,604.67/269,157.56
  6. Step 6: Final answer
    x = 137,520.41

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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.