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Finding the Fourth Proportional to 235,355.76, 324,741.96 and 139,827.60

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Solution

The fourth proportional to 235,355.76, 324,741.96 and 139,827.60 is: 192,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,355.76 : 324,741.96 = 139,827.60 : x
  2. Step 2: Convert to fraction form
    235,355.76/324,741.96 = 139,827.60/x
  3. Step 3: Cross multiply
    235,355.76x = 324,741.96 × 139,827.60
  4. Step 4: Simplify right side
    235,355.76x = 45,407,888,886.10
  5. Step 5: Solve for x
    x = 45,407,888,886.10/235,355.76
  6. Step 6: Final answer
    x = 192,932.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.