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Finding the Fourth Proportional to 293,123.43, 439,717.01 and 93,396.87

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Solution

The fourth proportional to 293,123.43, 439,717.01 and 93,396.87 is: 140,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,123.43 : 439,717.01 = 93,396.87 : x
  2. Step 2: Convert to fraction form
    293,123.43/439,717.01 = 93,396.87/x
  3. Step 3: Cross multiply
    293,123.43x = 439,717.01 × 93,396.87
  4. Step 4: Simplify right side
    293,123.43x = 41,068,192,419.76
  5. Step 5: Solve for x
    x = 41,068,192,419.76/293,123.43
  6. Step 6: Final answer
    x = 140,105.46

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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.