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Finding the Fourth Proportional to 216,352.15, 298,568.44 and 119,555.63

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Solution

The fourth proportional to 216,352.15, 298,568.44 and 119,555.63 is: 164,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,352.15 : 298,568.44 = 119,555.63 : x
  2. Step 2: Convert to fraction form
    216,352.15/298,568.44 = 119,555.63/x
  3. Step 3: Cross multiply
    216,352.15x = 298,568.44 × 119,555.63
  4. Step 4: Simplify right side
    216,352.15x = 35,695,537,942.32
  5. Step 5: Solve for x
    x = 35,695,537,942.32/216,352.15
  6. Step 6: Final answer
    x = 164,988.14

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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.