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Finding the Fourth Proportional to 87,039.84, 130,559.84 and 23,860.65

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Solution

The fourth proportional to 87,039.84, 130,559.84 and 23,860.65 is: 35,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,039.84 : 130,559.84 = 23,860.65 : x
  2. Step 2: Convert to fraction form
    87,039.84/130,559.84 = 23,860.65/x
  3. Step 3: Cross multiply
    87,039.84x = 130,559.84 × 23,860.65
  4. Step 4: Simplify right side
    87,039.84x = 3,115,242,526.99
  5. Step 5: Solve for x
    x = 3,115,242,526.99/87,039.84
  6. Step 6: Final answer
    x = 35,791.00

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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.