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Finding the Fourth Proportional to 236,958.09, 355,437.62 and 68,492.00

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Solution

The fourth proportional to 236,958.09, 355,437.62 and 68,492.00 is: 102,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,958.09 : 355,437.62 = 68,492.00 : x
  2. Step 2: Convert to fraction form
    236,958.09/355,437.62 = 68,492.00/x
  3. Step 3: Cross multiply
    236,958.09x = 355,437.62 × 68,492.00
  4. Step 4: Simplify right side
    236,958.09x = 24,344,631,349.39
  5. Step 5: Solve for x
    x = 24,344,631,349.39/236,958.09
  6. Step 6: Final answer
    x = 102,738.13

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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.