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Finding the Fourth Proportional to 234,582.80, 351,874.23 and 57,089.81

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Solution

The fourth proportional to 234,582.80, 351,874.23 and 57,089.81 is: 85,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,582.80 : 351,874.23 = 57,089.81 : x
  2. Step 2: Convert to fraction form
    234,582.80/351,874.23 = 57,089.81/x
  3. Step 3: Cross multiply
    234,582.80x = 351,874.23 × 57,089.81
  4. Step 4: Simplify right side
    234,582.80x = 20,088,432,708.84
  5. Step 5: Solve for x
    x = 20,088,432,708.84/234,582.80
  6. Step 6: Final answer
    x = 85,634.72

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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.