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Finding the Fourth Proportional to 95,699.58, 132,069.75 and 55,415.10

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Solution

The fourth proportional to 95,699.58, 132,069.75 and 55,415.10 is: 76,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,699.58 : 132,069.75 = 55,415.10 : x
  2. Step 2: Convert to fraction form
    95,699.58/132,069.75 = 55,415.10/x
  3. Step 3: Cross multiply
    95,699.58x = 132,069.75 × 55,415.10
  4. Step 4: Simplify right side
    95,699.58x = 7,318,658,403.23
  5. Step 5: Solve for x
    x = 7,318,658,403.23/95,699.58
  6. Step 6: Final answer
    x = 76,475.35

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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.