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Finding the Fourth Proportional to 218,183.04, 325,134.72 and 216,345.96

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Solution

The fourth proportional to 218,183.04, 325,134.72 and 216,345.96 is: 322,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,183.04 : 325,134.72 = 216,345.96 : x
  2. Step 2: Convert to fraction form
    218,183.04/325,134.72 = 216,345.96/x
  3. Step 3: Cross multiply
    218,183.04x = 325,134.72 × 216,345.96
  4. Step 4: Simplify right side
    218,183.04x = 70,341,583,127.73
  5. Step 5: Solve for x
    x = 70,341,583,127.73/218,183.04
  6. Step 6: Final answer
    x = 322,397.12

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.