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Finding the Fourth Proportional to 192,893.70, 289,527.31 and 93,123.93

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Solution

The fourth proportional to 192,893.70, 289,527.31 and 93,123.93 is: 139,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,893.70 : 289,527.31 = 93,123.93 : x
  2. Step 2: Convert to fraction form
    192,893.70/289,527.31 = 93,123.93/x
  3. Step 3: Cross multiply
    192,893.70x = 289,527.31 × 93,123.93
  4. Step 4: Simplify right side
    192,893.70x = 26,961,920,523.07
  5. Step 5: Solve for x
    x = 26,961,920,523.07/192,893.70
  6. Step 6: Final answer
    x = 139,776.05

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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.