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Finding the Fourth Proportional to 96,676.88, 145,009.49 and 57,483.41

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Solution

The fourth proportional to 96,676.88, 145,009.49 and 57,483.41 is: 86,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,676.88 : 145,009.49 = 57,483.41 : x
  2. Step 2: Convert to fraction form
    96,676.88/145,009.49 = 57,483.41/x
  3. Step 3: Cross multiply
    96,676.88x = 145,009.49 × 57,483.41
  4. Step 4: Simplify right side
    96,676.88x = 8,335,638,955.10
  5. Step 5: Solve for x
    x = 8,335,638,955.10/96,676.88
  6. Step 6: Final answer
    x = 86,221.64

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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.