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Finding the Fourth Proportional to 133,036.90, 199,594.23 and 39,544.90

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Solution

The fourth proportional to 133,036.90, 199,594.23 and 39,544.90 is: 59,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.90 : 199,594.23 = 39,544.90 : x
  2. Step 2: Convert to fraction form
    133,036.90/199,594.23 = 39,544.90/x
  3. Step 3: Cross multiply
    133,036.90x = 199,594.23 × 39,544.90
  4. Step 4: Simplify right side
    133,036.90x = 7,892,933,865.93
  5. Step 5: Solve for x
    x = 7,892,933,865.93/133,036.90
  6. Step 6: Final answer
    x = 59,328.91

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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.