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Finding the Fourth Proportional to 105,362.73, 158,044.23 and 43,033.23

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Solution

The fourth proportional to 105,362.73, 158,044.23 and 43,033.23 is: 64,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,362.73 : 158,044.23 = 43,033.23 : x
  2. Step 2: Convert to fraction form
    105,362.73/158,044.23 = 43,033.23/x
  3. Step 3: Cross multiply
    105,362.73x = 158,044.23 × 43,033.23
  4. Step 4: Simplify right side
    105,362.73x = 6,801,153,699.76
  5. Step 5: Solve for x
    x = 6,801,153,699.76/105,362.73
  6. Step 6: Final answer
    x = 64,549.90

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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.