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Finding the Fourth Proportional to 95,989, 132,465 and 53,550.28

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Solution

The fourth proportional to 95,989, 132,465 and 53,550.28 is: 73,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,989 : 132,465 = 53,550.28 : x
  2. Step 2: Convert to fraction form
    95,989/132,465 = 53,550.28/x
  3. Step 3: Cross multiply
    95,989x = 132,465 × 53,550.28
  4. Step 4: Simplify right side
    95,989x = 7,093,537,840.20
  5. Step 5: Solve for x
    x = 7,093,537,840.20/95,989
  6. Step 6: Final answer
    x = 73,899.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.