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Finding the Fourth Proportional to 222,613.63, 333,916.87 and 70,808.50

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Solution

The fourth proportional to 222,613.63, 333,916.87 and 70,808.50 is: 106,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,613.63 : 333,916.87 = 70,808.50 : x
  2. Step 2: Convert to fraction form
    222,613.63/333,916.87 = 70,808.50/x
  3. Step 3: Cross multiply
    222,613.63x = 333,916.87 × 70,808.50
  4. Step 4: Simplify right side
    222,613.63x = 23,644,152,689.40
  5. Step 5: Solve for x
    x = 23,644,152,689.40/222,613.63
  6. Step 6: Final answer
    x = 106,211.61

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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.