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Finding the Fourth Proportional to 143,369.66, 213,980.32 and 141,004.68

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Solution

The fourth proportional to 143,369.66, 213,980.32 and 141,004.68 is: 210,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,369.66 : 213,980.32 = 141,004.68 : x
  2. Step 2: Convert to fraction form
    143,369.66/213,980.32 = 141,004.68/x
  3. Step 3: Cross multiply
    143,369.66x = 213,980.32 × 141,004.68
  4. Step 4: Simplify right side
    143,369.66x = 30,172,226,547.90
  5. Step 5: Solve for x
    x = 30,172,226,547.90/143,369.66
  6. Step 6: Final answer
    x = 210,450.57

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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.