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Finding the Fourth Proportional to 192,687.40, 289,062.06 and 59,536.36

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Solution

The fourth proportional to 192,687.40, 289,062.06 and 59,536.36 is: 89,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,687.40 : 289,062.06 = 59,536.36 : x
  2. Step 2: Convert to fraction form
    192,687.40/289,062.06 = 59,536.36/x
  3. Step 3: Cross multiply
    192,687.40x = 289,062.06 × 59,536.36
  4. Step 4: Simplify right side
    192,687.40x = 17,209,702,866.50
  5. Step 5: Solve for x
    x = 17,209,702,866.50/192,687.40
  6. Step 6: Final answer
    x = 89,314.11

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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.