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Finding the Fourth Proportional to 101,960.88, 152,695.23 and 61,317.51

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Solution

The fourth proportional to 101,960.88, 152,695.23 and 61,317.51 is: 91,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,960.88 : 152,695.23 = 61,317.51 : x
  2. Step 2: Convert to fraction form
    101,960.88/152,695.23 = 61,317.51/x
  3. Step 3: Cross multiply
    101,960.88x = 152,695.23 × 61,317.51
  4. Step 4: Simplify right side
    101,960.88x = 9,362,890,489.93
  5. Step 5: Solve for x
    x = 9,362,890,489.93/101,960.88
  6. Step 6: Final answer
    x = 91,828.27

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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.