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Finding the Fourth Proportional to 234,379.60, 351,624.96 and 76,607.60

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Solution

The fourth proportional to 234,379.60, 351,624.96 and 76,607.60 is: 114,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,379.60 : 351,624.96 = 76,607.60 : x
  2. Step 2: Convert to fraction form
    234,379.60/351,624.96 = 76,607.60/x
  3. Step 3: Cross multiply
    234,379.60x = 351,624.96 × 76,607.60
  4. Step 4: Simplify right side
    234,379.60x = 26,937,142,527.57
  5. Step 5: Solve for x
    x = 26,937,142,527.57/234,379.60
  6. Step 6: Final answer
    x = 114,929.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.