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Finding the Fourth Proportional to 89,805.01, 134,707.52 and 39,873.37

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Solution

The fourth proportional to 89,805.01, 134,707.52 and 39,873.37 is: 59,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,805.01 : 134,707.52 = 39,873.37 : x
  2. Step 2: Convert to fraction form
    89,805.01/134,707.52 = 39,873.37/x
  3. Step 3: Cross multiply
    89,805.01x = 134,707.52 × 39,873.37
  4. Step 4: Simplify right side
    89,805.01x = 5,371,242,786.74
  5. Step 5: Solve for x
    x = 5,371,242,786.74/89,805.01
  6. Step 6: Final answer
    x = 59,810.06

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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.