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Finding the Fourth Proportional to 143,167.65, 214,696.80 and 43,294.65

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Solution

The fourth proportional to 143,167.65, 214,696.80 and 43,294.65 is: 64,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,167.65 : 214,696.80 = 43,294.65 : x
  2. Step 2: Convert to fraction form
    143,167.65/214,696.80 = 43,294.65/x
  3. Step 3: Cross multiply
    143,167.65x = 214,696.80 × 43,294.65
  4. Step 4: Simplify right side
    143,167.65x = 9,295,222,812.12
  5. Step 5: Solve for x
    x = 9,295,222,812.12/143,167.65
  6. Step 6: Final answer
    x = 64,925.44

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Why These Related Problems?

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