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Finding the Fourth Proportional to 222,302.51, 333,516.20 and 89,276.17

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Solution

The fourth proportional to 222,302.51, 333,516.20 and 89,276.17 is: 133,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,302.51 : 333,516.20 = 89,276.17 : x
  2. Step 2: Convert to fraction form
    222,302.51/333,516.20 = 89,276.17/x
  3. Step 3: Cross multiply
    222,302.51x = 333,516.20 × 89,276.17
  4. Step 4: Simplify right side
    222,302.51x = 29,775,048,968.95
  5. Step 5: Solve for x
    x = 29,775,048,968.95/222,302.51
  6. Step 6: Final answer
    x = 133,939.33

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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.