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Finding the Fourth Proportional to 87,130.89, 130,693.60 and 24,801.39

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Solution

The fourth proportional to 87,130.89, 130,693.60 and 24,801.39 is: 37,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,130.89 : 130,693.60 = 24,801.39 : x
  2. Step 2: Convert to fraction form
    87,130.89/130,693.60 = 24,801.39/x
  3. Step 3: Cross multiply
    87,130.89x = 130,693.60 × 24,801.39
  4. Step 4: Simplify right side
    87,130.89x = 3,241,382,975.11
  5. Step 5: Solve for x
    x = 3,241,382,975.11/87,130.89
  6. Step 6: Final answer
    x = 37,201.31

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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.