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Finding the Fourth Proportional to 133,051.90, 199,616.73 and 39,559.90

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Solution

The fourth proportional to 133,051.90, 199,616.73 and 39,559.90 is: 59,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.90 : 199,616.73 = 39,559.90 : x
  2. Step 2: Convert to fraction form
    133,051.90/199,616.73 = 39,559.90/x
  3. Step 3: Cross multiply
    133,051.90x = 199,616.73 × 39,559.90
  4. Step 4: Simplify right side
    133,051.90x = 7,896,817,877.13
  5. Step 5: Solve for x
    x = 7,896,817,877.13/133,051.90
  6. Step 6: Final answer
    x = 59,351.41

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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.