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Finding the Fourth Proportional to 95,686.95, 132,071.43 and 74,134.07

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Solution

The fourth proportional to 95,686.95, 132,071.43 and 74,134.07 is: 102,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,686.95 : 132,071.43 = 74,134.07 : x
  2. Step 2: Convert to fraction form
    95,686.95/132,071.43 = 74,134.07/x
  3. Step 3: Cross multiply
    95,686.95x = 132,071.43 × 74,134.07
  4. Step 4: Simplify right side
    95,686.95x = 9,790,991,976.26
  5. Step 5: Solve for x
    x = 9,790,991,976.26/95,686.95
  6. Step 6: Final answer
    x = 102,323.17

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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.