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Finding the Fourth Proportional to 93,382.88, 140,072.90 and 43,435.04

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Solution

The fourth proportional to 93,382.88, 140,072.90 and 43,435.04 is: 65,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.88 : 140,072.90 = 43,435.04 : x
  2. Step 2: Convert to fraction form
    93,382.88/140,072.90 = 43,435.04/x
  3. Step 3: Cross multiply
    93,382.88x = 140,072.90 × 43,435.04
  4. Step 4: Simplify right side
    93,382.88x = 6,084,071,096.88
  5. Step 5: Solve for x
    x = 6,084,071,096.88/93,382.88
  6. Step 6: Final answer
    x = 65,151.89

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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.