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Finding the Fourth Proportional to 234,281.86, 351,421.62 and 56,788.88

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Solution

The fourth proportional to 234,281.86, 351,421.62 and 56,788.88 is: 85,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,281.86 : 351,421.62 = 56,788.88 : x
  2. Step 2: Convert to fraction form
    234,281.86/351,421.62 = 56,788.88/x
  3. Step 3: Cross multiply
    234,281.86x = 351,421.62 × 56,788.88
  4. Step 4: Simplify right side
    234,281.86x = 19,956,840,349.56
  5. Step 5: Solve for x
    x = 19,956,840,349.56/234,281.86
  6. Step 6: Final answer
    x = 85,183.04

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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.