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Finding the Fourth Proportional to 105,363.54, 158,107.68 and 38,850.48

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Solution

The fourth proportional to 105,363.54, 158,107.68 and 38,850.48 is: 58,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,363.54 : 158,107.68 = 38,850.48 : x
  2. Step 2: Convert to fraction form
    105,363.54/158,107.68 = 38,850.48/x
  3. Step 3: Cross multiply
    105,363.54x = 158,107.68 × 38,850.48
  4. Step 4: Simplify right side
    105,363.54x = 6,142,559,259.69
  5. Step 5: Solve for x
    x = 6,142,559,259.69/105,363.54
  6. Step 6: Final answer
    x = 58,298.72

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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.