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Finding the Fourth Proportional to 133,057.90, 199,625.73 and 39,565.90

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Solution

The fourth proportional to 133,057.90, 199,625.73 and 39,565.90 is: 59,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057.90 : 199,625.73 = 39,565.90 : x
  2. Step 2: Convert to fraction form
    133,057.90/199,625.73 = 39,565.90/x
  3. Step 3: Cross multiply
    133,057.90x = 199,625.73 × 39,565.90
  4. Step 4: Simplify right side
    133,057.90x = 7,898,371,670.61
  5. Step 5: Solve for x
    x = 7,898,371,670.61/133,057.90
  6. Step 6: Final answer
    x = 59,360.41

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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.